Home / 12,777,658.56-17,634,715.08-7,272,372

Finding the Fourth Proportional to 12,777,658.56, 17,634,715.08 and 7,272,372

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Solution

The fourth proportional to 12,777,658.56, 17,634,715.08 and 7,272,372 is: 10,036,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,658.56 : 17,634,715.08 = 7,272,372 : x
  2. Step 2: Convert to fraction form
    12,777,658.56/17,634,715.08 = 7,272,372/x
  3. Step 3: Cross multiply
    12,777,658.56x = 17,634,715.08 × 7,272,372
  4. Step 4: Simplify right side
    12,777,658.56x = 128,246,208,175,769.75
  5. Step 5: Solve for x
    x = 128,246,208,175,769.75/12,777,658.56
  6. Step 6: Final answer
    x = 10,036,753.41

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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.