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Finding the Fourth Proportional to 16,603,540.30, 24,915,808.05 and 9,780,100.30

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Solution

The fourth proportional to 16,603,540.30, 24,915,808.05 and 9,780,100.30 is: 14,676,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603,540.30 : 24,915,808.05 = 9,780,100.30 : x
  2. Step 2: Convert to fraction form
    16,603,540.30/24,915,808.05 = 9,780,100.30/x
  3. Step 3: Cross multiply
    16,603,540.30x = 24,915,808.05 × 9,780,100.30
  4. Step 4: Simplify right side
    16,603,540.30x = 243,679,101,784,547.44
  5. Step 5: Solve for x
    x = 243,679,101,784,547.44/16,603,540.30
  6. Step 6: Final answer
    x = 14,676,333.93

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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.