Home / 12,732,932.72-17,571,169.13-7,435,537.78

Finding the Fourth Proportional to 12,732,932.72, 17,571,169.13 and 7,435,537.78

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Solution

The fourth proportional to 12,732,932.72, 17,571,169.13 and 7,435,537.78 is: 10,260,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732,932.72 : 17,571,169.13 = 7,435,537.78 : x
  2. Step 2: Convert to fraction form
    12,732,932.72/17,571,169.13 = 7,435,537.78/x
  3. Step 3: Cross multiply
    12,732,932.72x = 17,571,169.13 × 7,435,537.78
  4. Step 4: Simplify right side
    12,732,932.72x = 130,651,091,779,851.20
  5. Step 5: Solve for x
    x = 130,651,091,779,851.20/12,732,932.72
  6. Step 6: Final answer
    x = 10,260,879.77

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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.