Home / 15,808,818.52-21,816,184.12-8,565,474.52

Finding the Fourth Proportional to 15,808,818.52, 21,816,184.12 and 8,565,474.52

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Solution

The fourth proportional to 15,808,818.52, 21,816,184.12 and 8,565,474.52 is: 11,820,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,818.52 : 21,816,184.12 = 8,565,474.52 : x
  2. Step 2: Convert to fraction form
    15,808,818.52/21,816,184.12 = 8,565,474.52/x
  3. Step 3: Cross multiply
    15,808,818.52x = 21,816,184.12 × 8,565,474.52
  4. Step 4: Simplify right side
    15,808,818.52x = 186,865,969,203,488.62
  5. Step 5: Solve for x
    x = 186,865,969,203,488.62/15,808,818.52
  6. Step 6: Final answer
    x = 11,820,362.73

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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.