Home / 10,466,401.20-15,699,601.80-6,883,220.40

Finding the Fourth Proportional to 10,466,401.20, 15,699,601.80 and 6,883,220.40

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Solution

The fourth proportional to 10,466,401.20, 15,699,601.80 and 6,883,220.40 is: 10,324,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466,401.20 : 15,699,601.80 = 6,883,220.40 : x
  2. Step 2: Convert to fraction form
    10,466,401.20/15,699,601.80 = 6,883,220.40/x
  3. Step 3: Cross multiply
    10,466,401.20x = 15,699,601.80 × 6,883,220.40
  4. Step 4: Simplify right side
    10,466,401.20x = 108,063,819,381,636.73
  5. Step 5: Solve for x
    x = 108,063,819,381,636.73/10,466,401.20
  6. Step 6: Final answer
    x = 10,324,830.60

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Double scale
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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.