Home / 10,508,972.60-15,763,458.90-6,918,793.40

Finding the Fourth Proportional to 10,508,972.60, 15,763,458.90 and 6,918,793.40

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Solution

The fourth proportional to 10,508,972.60, 15,763,458.90 and 6,918,793.40 is: 10,378,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508,972.60 : 15,763,458.90 = 6,918,793.40 : x
  2. Step 2: Convert to fraction form
    10,508,972.60/15,763,458.90 = 6,918,793.40/x
  3. Step 3: Cross multiply
    10,508,972.60x = 15,763,458.90 × 6,918,793.40
  4. Step 4: Simplify right side
    10,508,972.60x = 109,064,115,398,491.27
  5. Step 5: Solve for x
    x = 109,064,115,398,491.27/10,508,972.60
  6. Step 6: Final answer
    x = 10,378,190.10

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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.