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Finding the Fourth Proportional to 14,677,952.80, 22,016,929.20 and 12,410,471.20

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Solution

The fourth proportional to 14,677,952.80, 22,016,929.20 and 12,410,471.20 is: 18,615,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677,952.80 : 22,016,929.20 = 12,410,471.20 : x
  2. Step 2: Convert to fraction form
    14,677,952.80/22,016,929.20 = 12,410,471.20/x
  3. Step 3: Cross multiply
    14,677,952.80x = 22,016,929.20 × 12,410,471.20
  4. Step 4: Simplify right side
    14,677,952.80x = 273,240,465,749,039
  5. Step 5: Solve for x
    x = 273,240,465,749,039/14,677,952.80
  6. Step 6: Final answer
    x = 18,615,706.80

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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.