Home / 10,287,511.20-15,426,601.20-3,895,639.20

Finding the Fourth Proportional to 10,287,511.20, 15,426,601.20 and 3,895,639.20

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Solution

The fourth proportional to 10,287,511.20, 15,426,601.20 and 3,895,639.20 is: 5,841,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287,511.20 : 15,426,601.20 = 3,895,639.20 : x
  2. Step 2: Convert to fraction form
    10,287,511.20/15,426,601.20 = 3,895,639.20/x
  3. Step 3: Cross multiply
    10,287,511.20x = 15,426,601.20 × 3,895,639.20
  4. Step 4: Simplify right side
    10,287,511.20x = 60,096,472,357,487.04
  5. Step 5: Solve for x
    x = 60,096,472,357,487.04/10,287,511.20
  6. Step 6: Final answer
    x = 5,841,692.05

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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.