Home / 28,392,346.10-42,588,519.15-10,439,117.30

Finding the Fourth Proportional to 28,392,346.10, 42,588,519.15 and 10,439,117.30

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Solution

The fourth proportional to 28,392,346.10, 42,588,519.15 and 10,439,117.30 is: 15,658,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,346.10 : 42,588,519.15 = 10,439,117.30 : x
  2. Step 2: Convert to fraction form
    28,392,346.10/42,588,519.15 = 10,439,117.30/x
  3. Step 3: Cross multiply
    28,392,346.10x = 42,588,519.15 × 10,439,117.30
  4. Step 4: Simplify right side
    28,392,346.10x = 444,586,547,040,146.31
  5. Step 5: Solve for x
    x = 444,586,547,040,146.31/28,392,346.10
  6. Step 6: Final answer
    x = 15,658,675.95

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Double scale
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Similar ratio
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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.