Home / 21,727,981.80-32,595,909.30-10,918,078.20

Finding the Fourth Proportional to 21,727,981.80, 32,595,909.30 and 10,918,078.20

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Solution

The fourth proportional to 21,727,981.80, 32,595,909.30 and 10,918,078.20 is: 16,379,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727,981.80 : 32,595,909.30 = 10,918,078.20 : x
  2. Step 2: Convert to fraction form
    21,727,981.80/32,595,909.30 = 10,918,078.20/x
  3. Step 3: Cross multiply
    21,727,981.80x = 32,595,909.30 × 10,918,078.20
  4. Step 4: Simplify right side
    21,727,981.80x = 355,884,686,737,507.25
  5. Step 5: Solve for x
    x = 355,884,686,737,507.25/21,727,981.80
  6. Step 6: Final answer
    x = 16,379,095.40

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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.