Home / 10,781,664.10-16,172,496.15-9,899,865.70

Finding the Fourth Proportional to 10,781,664.10, 16,172,496.15 and 9,899,865.70

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Solution

The fourth proportional to 10,781,664.10, 16,172,496.15 and 9,899,865.70 is: 14,849,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,664.10 : 16,172,496.15 = 9,899,865.70 : x
  2. Step 2: Convert to fraction form
    10,781,664.10/16,172,496.15 = 9,899,865.70/x
  3. Step 3: Cross multiply
    10,781,664.10x = 16,172,496.15 × 9,899,865.70
  4. Step 4: Simplify right side
    10,781,664.10x = 160,105,539,918,767.03
  5. Step 5: Solve for x
    x = 160,105,539,918,767.03/10,781,664.10
  6. Step 6: Final answer
    x = 14,849,798.55

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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.