Home / 12,503,857.10-17,256,123.24-6,997,865.90

Finding the Fourth Proportional to 12,503,857.10, 17,256,123.24 and 6,997,865.90

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Solution

The fourth proportional to 12,503,857.10, 17,256,123.24 and 6,997,865.90 is: 9,657,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503,857.10 : 17,256,123.24 = 6,997,865.90 : x
  2. Step 2: Convert to fraction form
    12,503,857.10/17,256,123.24 = 6,997,865.90/x
  3. Step 3: Cross multiply
    12,503,857.10x = 17,256,123.24 × 6,997,865.90
  4. Step 4: Simplify right side
    12,503,857.10x = 120,756,036,387,393.52
  5. Step 5: Solve for x
    x = 120,756,036,387,393.52/12,503,857.10
  6. Step 6: Final answer
    x = 9,657,502.91

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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.