Home / 12,272,429.88-16,935,607.98-7,691,277.24

Finding the Fourth Proportional to 12,272,429.88, 16,935,607.98 and 7,691,277.24

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Solution

The fourth proportional to 12,272,429.88, 16,935,607.98 and 7,691,277.24 is: 10,613,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,429.88 : 16,935,607.98 = 7,691,277.24 : x
  2. Step 2: Convert to fraction form
    12,272,429.88/16,935,607.98 = 7,691,277.24/x
  3. Step 3: Cross multiply
    12,272,429.88x = 16,935,607.98 × 7,691,277.24
  4. Step 4: Simplify right side
    12,272,429.88x = 130,256,456,202,136.38
  5. Step 5: Solve for x
    x = 130,256,456,202,136.38/12,272,429.88
  6. Step 6: Final answer
    x = 10,613,746.22

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1.5x scale

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.