Home / 18,355,252.20-27,532,878.30-10,392,628.20

Finding the Fourth Proportional to 18,355,252.20, 27,532,878.30 and 10,392,628.20

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Solution

The fourth proportional to 18,355,252.20, 27,532,878.30 and 10,392,628.20 is: 15,588,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355,252.20 : 27,532,878.30 = 10,392,628.20 : x
  2. Step 2: Convert to fraction form
    18,355,252.20/27,532,878.30 = 10,392,628.20/x
  3. Step 3: Cross multiply
    18,355,252.20x = 27,532,878.30 × 10,392,628.20
  4. Step 4: Simplify right side
    18,355,252.20x = 286,138,967,447,748.06
  5. Step 5: Solve for x
    x = 286,138,967,447,748.06/18,355,252.20
  6. Step 6: Final answer
    x = 15,588,942.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.