Home / 8,748,082.80-13,122,124.20-7,897,777.20

Finding the Fourth Proportional to 8,748,082.80, 13,122,124.20 and 7,897,777.20

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Solution

The fourth proportional to 8,748,082.80, 13,122,124.20 and 7,897,777.20 is: 11,846,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,082.80 : 13,122,124.20 = 7,897,777.20 : x
  2. Step 2: Convert to fraction form
    8,748,082.80/13,122,124.20 = 7,897,777.20/x
  3. Step 3: Cross multiply
    8,748,082.80x = 13,122,124.20 × 7,897,777.20
  4. Step 4: Simplify right side
    8,748,082.80x = 103,635,613,322,328.23
  5. Step 5: Solve for x
    x = 103,635,613,322,328.23/8,748,082.80
  6. Step 6: Final answer
    x = 11,846,665.80

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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.