Home / 8,515,412.70-12,773,119.05-7,675,604.70

Finding the Fourth Proportional to 8,515,412.70, 12,773,119.05 and 7,675,604.70

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Solution

The fourth proportional to 8,515,412.70, 12,773,119.05 and 7,675,604.70 is: 11,513,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,412.70 : 12,773,119.05 = 7,675,604.70 : x
  2. Step 2: Convert to fraction form
    8,515,412.70/12,773,119.05 = 7,675,604.70/x
  3. Step 3: Cross multiply
    8,515,412.70x = 12,773,119.05 × 7,675,604.70
  4. Step 4: Simplify right side
    8,515,412.70x = 98,041,412,613,839.55
  5. Step 5: Solve for x
    x = 98,041,412,613,839.55/8,515,412.70
  6. Step 6: Final answer
    x = 11,513,407.05

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Double scale
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Similar ratio
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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.