Home / 12,960,101.60-19,440,152.40-8,152,200.80

Finding the Fourth Proportional to 12,960,101.60, 19,440,152.40 and 8,152,200.80

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Solution

The fourth proportional to 12,960,101.60, 19,440,152.40 and 8,152,200.80 is: 12,228,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,101.60 : 19,440,152.40 = 8,152,200.80 : x
  2. Step 2: Convert to fraction form
    12,960,101.60/19,440,152.40 = 8,152,200.80/x
  3. Step 3: Cross multiply
    12,960,101.60x = 19,440,152.40 × 8,152,200.80
  4. Step 4: Simplify right side
    12,960,101.60x = 158,480,025,947,401.91
  5. Step 5: Solve for x
    x = 158,480,025,947,401.91/12,960,101.60
  6. Step 6: Final answer
    x = 12,228,301.20

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Similar ratio
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1.5x scale

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.