Home / 40,498,830.90-60,748,246.35-12,131,982.90

Finding the Fourth Proportional to 40,498,830.90, 60,748,246.35 and 12,131,982.90

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Solution

The fourth proportional to 40,498,830.90, 60,748,246.35 and 12,131,982.90 is: 18,197,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,498,830.90 : 60,748,246.35 = 12,131,982.90 : x
  2. Step 2: Convert to fraction form
    40,498,830.90/60,748,246.35 = 12,131,982.90/x
  3. Step 3: Cross multiply
    40,498,830.90x = 60,748,246.35 × 12,131,982.90
  4. Step 4: Simplify right side
    40,498,830.90x = 736,996,685,923,187.50
  5. Step 5: Solve for x
    x = 736,996,685,923,187.50/40,498,830.90
  6. Step 6: Final answer
    x = 18,197,974.35

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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.