Home / 13,398,794.54-20,098,316.18-3,814,172.72

Finding the Fourth Proportional to 13,398,794.54, 20,098,316.18 and 3,814,172.72

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Solution

The fourth proportional to 13,398,794.54, 20,098,316.18 and 3,814,172.72 is: 5,721,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,794.54 : 20,098,316.18 = 3,814,172.72 : x
  2. Step 2: Convert to fraction form
    13,398,794.54/20,098,316.18 = 3,814,172.72/x
  3. Step 3: Cross multiply
    13,398,794.54x = 20,098,316.18 × 3,814,172.72
  4. Step 4: Simplify right side
    13,398,794.54x = 76,658,449,291,690.61
  5. Step 5: Solve for x
    x = 76,658,449,291,690.61/13,398,794.54
  6. Step 6: Final answer
    x = 5,721,294.48

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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.