Home / 19,872,400.80-29,808,601.20-16,282,221.60

Finding the Fourth Proportional to 19,872,400.80, 29,808,601.20 and 16,282,221.60

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Solution

The fourth proportional to 19,872,400.80, 29,808,601.20 and 16,282,221.60 is: 24,423,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,400.80 : 29,808,601.20 = 16,282,221.60 : x
  2. Step 2: Convert to fraction form
    19,872,400.80/29,808,601.20 = 16,282,221.60/x
  3. Step 3: Cross multiply
    19,872,400.80x = 29,808,601.20 × 16,282,221.60
  4. Step 4: Simplify right side
    19,872,400.80x = 485,350,250,324,425.88
  5. Step 5: Solve for x
    x = 485,350,250,324,425.88/19,872,400.80
  6. Step 6: Final answer
    x = 24,423,332.40

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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.