Home / 8,412,541.95-11,609,316.11-4,545,066.21

Finding the Fourth Proportional to 8,412,541.95, 11,609,316.11 and 4,545,066.21

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Solution

The fourth proportional to 8,412,541.95, 11,609,316.11 and 4,545,066.21 is: 6,272,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,541.95 : 11,609,316.11 = 4,545,066.21 : x
  2. Step 2: Convert to fraction form
    8,412,541.95/11,609,316.11 = 4,545,066.21/x
  3. Step 3: Cross multiply
    8,412,541.95x = 11,609,316.11 × 4,545,066.21
  4. Step 4: Simplify right side
    8,412,541.95x = 52,765,110,372,769.64
  5. Step 5: Solve for x
    x = 52,765,110,372,769.64/8,412,541.95
  6. Step 6: Final answer
    x = 6,272,195.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.