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Finding the Fourth Proportional to 16,392,406.80, 24,588,379.80 and 7,416,944.40

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Solution

The fourth proportional to 16,392,406.80, 24,588,379.80 and 7,416,944.40 is: 11,125,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392,406.80 : 24,588,379.80 = 7,416,944.40 : x
  2. Step 2: Convert to fraction form
    16,392,406.80/24,588,379.80 = 7,416,944.40/x
  3. Step 3: Cross multiply
    16,392,406.80x = 24,588,379.80 × 7,416,944.40
  4. Step 4: Simplify right side
    16,392,406.80x = 182,370,645,862,683.12
  5. Step 5: Solve for x
    x = 182,370,645,862,683.12/16,392,406.80
  6. Step 6: Final answer
    x = 11,125,312.35

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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.