Home / 10,573,819.40-15,860,729.10-9,859,982.60

Finding the Fourth Proportional to 10,573,819.40, 15,860,729.10 and 9,859,982.60

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Solution

The fourth proportional to 10,573,819.40, 15,860,729.10 and 9,859,982.60 is: 14,789,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,573,819.40 : 15,860,729.10 = 9,859,982.60 : x
  2. Step 2: Convert to fraction form
    10,573,819.40/15,860,729.10 = 9,859,982.60/x
  3. Step 3: Cross multiply
    10,573,819.40x = 15,860,729.10 × 9,859,982.60
  4. Step 4: Simplify right side
    10,573,819.40x = 156,386,512,949,313.66
  5. Step 5: Solve for x
    x = 156,386,512,949,313.66/10,573,819.40
  6. Step 6: Final answer
    x = 14,789,973.90

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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.