Home / 12,927,631.52-17,840,186.64-7,126,287.20

Finding the Fourth Proportional to 12,927,631.52, 17,840,186.64 and 7,126,287.20

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Solution

The fourth proportional to 12,927,631.52, 17,840,186.64 and 7,126,287.20 is: 9,834,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,631.52 : 17,840,186.64 = 7,126,287.20 : x
  2. Step 2: Convert to fraction form
    12,927,631.52/17,840,186.64 = 7,126,287.20/x
  3. Step 3: Cross multiply
    12,927,631.52x = 17,840,186.64 × 7,126,287.20
  4. Step 4: Simplify right side
    12,927,631.52x = 127,134,293,698,243.02
  5. Step 5: Solve for x
    x = 127,134,293,698,243.02/12,927,631.52
  6. Step 6: Final answer
    x = 9,834,306.73

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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.