Home / 21,145,620.36-29,180,389.20-12,444,305.52

Finding the Fourth Proportional to 21,145,620.36, 29,180,389.20 and 12,444,305.52

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Solution

The fourth proportional to 21,145,620.36, 29,180,389.20 and 12,444,305.52 is: 17,172,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145,620.36 : 29,180,389.20 = 12,444,305.52 : x
  2. Step 2: Convert to fraction form
    21,145,620.36/29,180,389.20 = 12,444,305.52/x
  3. Step 3: Cross multiply
    21,145,620.36x = 29,180,389.20 × 12,444,305.52
  4. Step 4: Simplify right side
    21,145,620.36x = 363,129,678,397,308.38
  5. Step 5: Solve for x
    x = 363,129,678,397,308.38/21,145,620.36
  6. Step 6: Final answer
    x = 17,172,808.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.