Home / 10,403,406.80-15,586,447.80-8,910,414.80

Finding the Fourth Proportional to 10,403,406.80, 15,586,447.80 and 8,910,414.80

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Solution

The fourth proportional to 10,403,406.80, 15,586,447.80 and 8,910,414.80 is: 13,349,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,406.80 : 15,586,447.80 = 8,910,414.80 : x
  2. Step 2: Convert to fraction form
    10,403,406.80/15,586,447.80 = 8,910,414.80/x
  3. Step 3: Cross multiply
    10,403,406.80x = 15,586,447.80 × 8,910,414.80
  4. Step 4: Simplify right side
    10,403,406.80x = 138,881,715,156,547.45
  5. Step 5: Solve for x
    x = 138,881,715,156,547.45/10,403,406.80
  6. Step 6: Final answer
    x = 13,349,638.04

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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.