Home / 19,563,728.80-29,345,593.20-9,997,790.80

Finding the Fourth Proportional to 19,563,728.80, 29,345,593.20 and 9,997,790.80

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Solution

The fourth proportional to 19,563,728.80, 29,345,593.20 and 9,997,790.80 is: 14,996,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563,728.80 : 29,345,593.20 = 9,997,790.80 : x
  2. Step 2: Convert to fraction form
    19,563,728.80/29,345,593.20 = 9,997,790.80/x
  3. Step 3: Cross multiply
    19,563,728.80x = 29,345,593.20 × 9,997,790.80
  4. Step 4: Simplify right side
    19,563,728.80x = 293,391,101,715,502.56
  5. Step 5: Solve for x
    x = 293,391,101,715,502.56/19,563,728.80
  6. Step 6: Final answer
    x = 14,996,686.20

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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.