Home / 12,926,507.15-17,838,575.52-7,125,385.79

Finding the Fourth Proportional to 12,926,507.15, 17,838,575.52 and 7,125,385.79

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Solution

The fourth proportional to 12,926,507.15, 17,838,575.52 and 7,125,385.79 is: 9,833,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,507.15 : 17,838,575.52 = 7,125,385.79 : x
  2. Step 2: Convert to fraction form
    12,926,507.15/17,838,575.52 = 7,125,385.79/x
  3. Step 3: Cross multiply
    12,926,507.15x = 17,838,575.52 × 7,125,385.79
  4. Step 4: Simplify right side
    12,926,507.15x = 127,106,732,524,049.86
  5. Step 5: Solve for x
    x = 127,106,732,524,049.86/12,926,507.15
  6. Step 6: Final answer
    x = 9,833,029.99

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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.