Home / 12,857,024.52-17,737,642.85-7,347,443.55

Finding the Fourth Proportional to 12,857,024.52, 17,737,642.85 and 7,347,443.55

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Solution

The fourth proportional to 12,857,024.52, 17,737,642.85 and 7,347,443.55 is: 10,136,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,024.52 : 17,737,642.85 = 7,347,443.55 : x
  2. Step 2: Convert to fraction form
    12,857,024.52/17,737,642.85 = 7,347,443.55/x
  3. Step 3: Cross multiply
    12,857,024.52x = 17,737,642.85 × 7,347,443.55
  4. Step 4: Simplify right side
    12,857,024.52x = 130,326,329,596,844.09
  5. Step 5: Solve for x
    x = 130,326,329,596,844.09/12,857,024.52
  6. Step 6: Final answer
    x = 10,136,585.60

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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.