Home / 21,561,311.20-32,341,966.80-14,286,474.40

Finding the Fourth Proportional to 21,561,311.20, 32,341,966.80 and 14,286,474.40

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Solution

The fourth proportional to 21,561,311.20, 32,341,966.80 and 14,286,474.40 is: 21,429,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,311.20 : 32,341,966.80 = 14,286,474.40 : x
  2. Step 2: Convert to fraction form
    21,561,311.20/32,341,966.80 = 14,286,474.40/x
  3. Step 3: Cross multiply
    21,561,311.20x = 32,341,966.80 × 14,286,474.40
  4. Step 4: Simplify right side
    21,561,311.20x = 462,052,680,733,849.94
  5. Step 5: Solve for x
    x = 462,052,680,733,849.94/21,561,311.20
  6. Step 6: Final answer
    x = 21,429,711.60

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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.