Home / 12,472,707.20-18,728,306.40-6,804,003.20

Finding the Fourth Proportional to 12,472,707.20, 18,728,306.40 and 6,804,003.20

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Solution

The fourth proportional to 12,472,707.20, 18,728,306.40 and 6,804,003.20 is: 10,216,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,707.20 : 18,728,306.40 = 6,804,003.20 : x
  2. Step 2: Convert to fraction form
    12,472,707.20/18,728,306.40 = 6,804,003.20/x
  3. Step 3: Cross multiply
    12,472,707.20x = 18,728,306.40 × 6,804,003.20
  4. Step 4: Simplify right side
    12,472,707.20x = 127,427,456,676,180.47
  5. Step 5: Solve for x
    x = 127,427,456,676,180.47/12,472,707.20
  6. Step 6: Final answer
    x = 10,216,503.49

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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.