Home / 10,921,444.80-16,382,167.20-3,347,426.40

Finding the Fourth Proportional to 10,921,444.80, 16,382,167.20 and 3,347,426.40

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Solution

The fourth proportional to 10,921,444.80, 16,382,167.20 and 3,347,426.40 is: 5,021,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,444.80 : 16,382,167.20 = 3,347,426.40 : x
  2. Step 2: Convert to fraction form
    10,921,444.80/16,382,167.20 = 3,347,426.40/x
  3. Step 3: Cross multiply
    10,921,444.80x = 16,382,167.20 × 3,347,426.40
  4. Step 4: Simplify right side
    10,921,444.80x = 54,838,098,974,494.08
  5. Step 5: Solve for x
    x = 54,838,098,974,494.08/10,921,444.80
  6. Step 6: Final answer
    x = 5,021,139.60

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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.