Home / 12,913,550.60-17,821,508.76-7,112,331

Finding the Fourth Proportional to 12,913,550.60, 17,821,508.76 and 7,112,331

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Solution

The fourth proportional to 12,913,550.60, 17,821,508.76 and 7,112,331 is: 9,815,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,550.60 : 17,821,508.76 = 7,112,331 : x
  2. Step 2: Convert to fraction form
    12,913,550.60/17,821,508.76 = 7,112,331/x
  3. Step 3: Cross multiply
    12,913,550.60x = 17,821,508.76 × 7,112,331
  4. Step 4: Simplify right side
    12,913,550.60x = 126,752,469,220,519.58
  5. Step 5: Solve for x
    x = 126,752,469,220,519.58/12,913,550.60
  6. Step 6: Final answer
    x = 9,815,462.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.