Home / 12,816,565.61-17,687,310.46-7,015,352.09

Finding the Fourth Proportional to 12,816,565.61, 17,687,310.46 and 7,015,352.09

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Solution

The fourth proportional to 12,816,565.61, 17,687,310.46 and 7,015,352.09 is: 9,681,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,565.61 : 17,687,310.46 = 7,015,352.09 : x
  2. Step 2: Convert to fraction form
    12,816,565.61/17,687,310.46 = 7,015,352.09/x
  3. Step 3: Cross multiply
    12,816,565.61x = 17,687,310.46 × 7,015,352.09
  4. Step 4: Simplify right side
    12,816,565.61x = 124,082,710,296,064.92
  5. Step 5: Solve for x
    x = 124,082,710,296,064.92/12,816,565.61
  6. Step 6: Final answer
    x = 9,681,432.15

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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.