Home / 10,781,662.60-16,172,493.90-9,899,864.20

Finding the Fourth Proportional to 10,781,662.60, 16,172,493.90 and 9,899,864.20

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Solution

The fourth proportional to 10,781,662.60, 16,172,493.90 and 9,899,864.20 is: 14,849,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,662.60 : 16,172,493.90 = 9,899,864.20 : x
  2. Step 2: Convert to fraction form
    10,781,662.60/16,172,493.90 = 9,899,864.20/x
  3. Step 3: Cross multiply
    10,781,662.60x = 16,172,493.90 × 9,899,864.20
  4. Step 4: Simplify right side
    10,781,662.60x = 160,105,493,385,328.38
  5. Step 5: Solve for x
    x = 160,105,493,385,328.38/10,781,662.60
  6. Step 6: Final answer
    x = 14,849,796.30

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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.