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Finding the Fourth Proportional to 16,398,543.40, 24,597,815.10 and 8,840,271.40

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Solution

The fourth proportional to 16,398,543.40, 24,597,815.10 and 8,840,271.40 is: 13,260,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398,543.40 : 24,597,815.10 = 8,840,271.40 : x
  2. Step 2: Convert to fraction form
    16,398,543.40/24,597,815.10 = 8,840,271.40/x
  3. Step 3: Cross multiply
    16,398,543.40x = 24,597,815.10 × 8,840,271.40
  4. Step 4: Simplify right side
    16,398,543.40x = 217,451,361,331,018.16
  5. Step 5: Solve for x
    x = 217,451,361,331,018.16/16,398,543.40
  6. Step 6: Final answer
    x = 13,260,407.10

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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.