Home / 12,461,854.80-18,692,782.20-6,793,150.80

Finding the Fourth Proportional to 12,461,854.80, 18,692,782.20 and 6,793,150.80

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Solution

The fourth proportional to 12,461,854.80, 18,692,782.20 and 6,793,150.80 is: 10,189,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,854.80 : 18,692,782.20 = 6,793,150.80 : x
  2. Step 2: Convert to fraction form
    12,461,854.80/18,692,782.20 = 6,793,150.80/x
  3. Step 3: Cross multiply
    12,461,854.80x = 18,692,782.20 × 6,793,150.80
  4. Step 4: Simplify right side
    12,461,854.80x = 126,982,888,356,155.75
  5. Step 5: Solve for x
    x = 126,982,888,356,155.75/12,461,854.80
  6. Step 6: Final answer
    x = 10,189,726.20

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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.