Home / 43,783,338.20-65,681,228.10-13,488,042.20

Finding the Fourth Proportional to 43,783,338.20, 65,681,228.10 and 13,488,042.20

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Solution

The fourth proportional to 43,783,338.20, 65,681,228.10 and 13,488,042.20 is: 20,233,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,783,338.20 : 65,681,228.10 = 13,488,042.20 : x
  2. Step 2: Convert to fraction form
    43,783,338.20/65,681,228.10 = 13,488,042.20/x
  3. Step 3: Cross multiply
    43,783,338.20x = 65,681,228.10 × 13,488,042.20
  4. Step 4: Simplify right side
    43,783,338.20x = 885,911,176,360,625.75
  5. Step 5: Solve for x
    x = 885,911,176,360,625.75/43,783,338.20
  6. Step 6: Final answer
    x = 20,233,979.70

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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.