Home / 34,120,567.50-51,180,851.52-13,659,498.78

Finding the Fourth Proportional to 34,120,567.50, 51,180,851.52 and 13,659,498.78

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Solution

The fourth proportional to 34,120,567.50, 51,180,851.52 and 13,659,498.78 is: 20,489,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120,567.50 : 51,180,851.52 = 13,659,498.78 : x
  2. Step 2: Convert to fraction form
    34,120,567.50/51,180,851.52 = 13,659,498.78/x
  3. Step 3: Cross multiply
    34,120,567.50x = 51,180,851.52 × 13,659,498.78
  4. Step 4: Simplify right side
    34,120,567.50x = 699,104,778,896,801.12
  5. Step 5: Solve for x
    x = 699,104,778,896,801.12/34,120,567.50
  6. Step 6: Final answer
    x = 20,489,248.28

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1.5x scale

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.