Home / 12,415,397.11-17,134,739.53-7,520,475.58

Finding the Fourth Proportional to 12,415,397.11, 17,134,739.53 and 7,520,475.58

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Solution

The fourth proportional to 12,415,397.11, 17,134,739.53 and 7,520,475.58 is: 10,379,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,397.11 : 17,134,739.53 = 7,520,475.58 : x
  2. Step 2: Convert to fraction form
    12,415,397.11/17,134,739.53 = 7,520,475.58/x
  3. Step 3: Cross multiply
    12,415,397.11x = 17,134,739.53 × 7,520,475.58
  4. Step 4: Simplify right side
    12,415,397.11x = 128,861,390,143,387.62
  5. Step 5: Solve for x
    x = 128,861,390,143,387.62/12,415,397.11
  6. Step 6: Final answer
    x = 10,379,159.77

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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.