Home / 41,224,489.20-61,820,987.40-12,461,065.20

Finding the Fourth Proportional to 41,224,489.20, 61,820,987.40 and 12,461,065.20

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Solution

The fourth proportional to 41,224,489.20, 61,820,987.40 and 12,461,065.20 is: 18,686,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,224,489.20 : 61,820,987.40 = 12,461,065.20 : x
  2. Step 2: Convert to fraction form
    41,224,489.20/61,820,987.40 = 12,461,065.20/x
  3. Step 3: Cross multiply
    41,224,489.20x = 61,820,987.40 × 12,461,065.20
  4. Step 4: Simplify right side
    41,224,489.20x = 770,355,354,719,778.38
  5. Step 5: Solve for x
    x = 770,355,354,719,778.38/41,224,489.20
  6. Step 6: Final answer
    x = 18,686,838.08

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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.