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Finding the Fourth Proportional to 16,360,908.80, 24,541,132.80 and 7,385,446.40

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Solution

The fourth proportional to 16,360,908.80, 24,541,132.80 and 7,385,446.40 is: 11,078,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,360,908.80 : 24,541,132.80 = 7,385,446.40 : x
  2. Step 2: Convert to fraction form
    16,360,908.80/24,541,132.80 = 7,385,446.40/x
  3. Step 3: Cross multiply
    16,360,908.80x = 24,541,132.80 × 7,385,446.40
  4. Step 4: Simplify right side
    16,360,908.80x = 181,247,220,889,681.94
  5. Step 5: Solve for x
    x = 181,247,220,889,681.94/16,360,908.80
  6. Step 6: Final answer
    x = 11,078,065.60

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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.