Home / 8,587,040.70-12,880,561.05-5,227,808.70

Finding the Fourth Proportional to 8,587,040.70, 12,880,561.05 and 5,227,808.70

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Solution

The fourth proportional to 8,587,040.70, 12,880,561.05 and 5,227,808.70 is: 7,841,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,040.70 : 12,880,561.05 = 5,227,808.70 : x
  2. Step 2: Convert to fraction form
    8,587,040.70/12,880,561.05 = 5,227,808.70/x
  3. Step 3: Cross multiply
    8,587,040.70x = 12,880,561.05 × 5,227,808.70
  4. Step 4: Simplify right side
    8,587,040.70x = 67,337,109,118,071.14
  5. Step 5: Solve for x
    x = 67,337,109,118,071.14/8,587,040.70
  6. Step 6: Final answer
    x = 7,841,713.05

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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.