Home / 10,630,847.60-15,948,604.20-5,242,079.60

Finding the Fourth Proportional to 10,630,847.60, 15,948,604.20 and 5,242,079.60

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Solution

The fourth proportional to 10,630,847.60, 15,948,604.20 and 5,242,079.60 is: 7,864,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,847.60 : 15,948,604.20 = 5,242,079.60 : x
  2. Step 2: Convert to fraction form
    10,630,847.60/15,948,604.20 = 5,242,079.60/x
  3. Step 3: Cross multiply
    10,630,847.60x = 15,948,604.20 × 5,242,079.60
  4. Step 4: Simplify right side
    10,630,847.60x = 83,603,852,725,294.31
  5. Step 5: Solve for x
    x = 83,603,852,725,294.31/10,630,847.60
  6. Step 6: Final answer
    x = 7,864,269.71

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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.