Home / 10,408,035.40-15,612,053.10-9,347,777.80

Finding the Fourth Proportional to 10,408,035.40, 15,612,053.10 and 9,347,777.80

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Solution

The fourth proportional to 10,408,035.40, 15,612,053.10 and 9,347,777.80 is: 14,021,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,035.40 : 15,612,053.10 = 9,347,777.80 : x
  2. Step 2: Convert to fraction form
    10,408,035.40/15,612,053.10 = 9,347,777.80/x
  3. Step 3: Cross multiply
    10,408,035.40x = 15,612,053.10 × 9,347,777.80
  4. Step 4: Simplify right side
    10,408,035.40x = 145,938,003,380,601.19
  5. Step 5: Solve for x
    x = 145,938,003,380,601.19/10,408,035.40
  6. Step 6: Final answer
    x = 14,021,666.70

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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.