Home / 40,338,864-60,508,823.04-13,412,520

Finding the Fourth Proportional to 40,338,864, 60,508,823.04 and 13,412,520

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Solution

The fourth proportional to 40,338,864, 60,508,823.04 and 13,412,520 is: 20,118,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338,864 : 60,508,823.04 = 13,412,520 : x
  2. Step 2: Convert to fraction form
    40,338,864/60,508,823.04 = 13,412,520/x
  3. Step 3: Cross multiply
    40,338,864x = 60,508,823.04 × 13,412,520
  4. Step 4: Simplify right side
    40,338,864x = 811,575,799,200,460.75
  5. Step 5: Solve for x
    x = 811,575,799,200,460.75/40,338,864
  6. Step 6: Final answer
    x = 20,118,955.24

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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.