Home / 10,429,540.60-15,644,310.90-6,603,165.40

Finding the Fourth Proportional to 10,429,540.60, 15,644,310.90 and 6,603,165.40

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Solution

The fourth proportional to 10,429,540.60, 15,644,310.90 and 6,603,165.40 is: 9,904,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,540.60 : 15,644,310.90 = 6,603,165.40 : x
  2. Step 2: Convert to fraction form
    10,429,540.60/15,644,310.90 = 6,603,165.40/x
  3. Step 3: Cross multiply
    10,429,540.60x = 15,644,310.90 × 6,603,165.40
  4. Step 4: Simplify right side
    10,429,540.60x = 103,301,972,441,722.88
  5. Step 5: Solve for x
    x = 103,301,972,441,722.88/10,429,540.60
  6. Step 6: Final answer
    x = 9,904,748.10

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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.