Home / 18,219,424.20-27,329,136.30-7,433,140.20

Finding the Fourth Proportional to 18,219,424.20, 27,329,136.30 and 7,433,140.20

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Solution

The fourth proportional to 18,219,424.20, 27,329,136.30 and 7,433,140.20 is: 11,149,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,424.20 : 27,329,136.30 = 7,433,140.20 : x
  2. Step 2: Convert to fraction form
    18,219,424.20/27,329,136.30 = 7,433,140.20/x
  3. Step 3: Cross multiply
    18,219,424.20x = 27,329,136.30 × 7,433,140.20
  4. Step 4: Simplify right side
    18,219,424.20x = 203,141,301,662,809.28
  5. Step 5: Solve for x
    x = 203,141,301,662,809.28/18,219,424.20
  6. Step 6: Final answer
    x = 11,149,710.30

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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.