Home / 10,546,572.80-15,838,521.60-8,156,230.40

Finding the Fourth Proportional to 10,546,572.80, 15,838,521.60 and 8,156,230.40

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Solution

The fourth proportional to 10,546,572.80, 15,838,521.60 and 8,156,230.40 is: 12,248,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546,572.80 : 15,838,521.60 = 8,156,230.40 : x
  2. Step 2: Convert to fraction form
    10,546,572.80/15,838,521.60 = 8,156,230.40/x
  3. Step 3: Cross multiply
    10,546,572.80x = 15,838,521.60 × 8,156,230.40
  4. Step 4: Simplify right side
    10,546,572.80x = 129,182,631,364,976.64
  5. Step 5: Solve for x
    x = 129,182,631,364,976.64/10,546,572.80
  6. Step 6: Final answer
    x = 12,248,778.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.