Home / 25,261,421.40-37,892,132.10-9,087,900.30

Finding the Fourth Proportional to 25,261,421.40, 37,892,132.10 and 9,087,900.30

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Solution

The fourth proportional to 25,261,421.40, 37,892,132.10 and 9,087,900.30 is: 13,631,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261,421.40 : 37,892,132.10 = 9,087,900.30 : x
  2. Step 2: Convert to fraction form
    25,261,421.40/37,892,132.10 = 9,087,900.30/x
  3. Step 3: Cross multiply
    25,261,421.40x = 37,892,132.10 × 9,087,900.30
  4. Step 4: Simplify right side
    25,261,421.40x = 344,359,918,679,229.69
  5. Step 5: Solve for x
    x = 344,359,918,679,229.69/25,261,421.40
  6. Step 6: Final answer
    x = 13,631,850.45

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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.