Home / 10,628,470.80-15,944,261.40-3,438,781.20

Finding the Fourth Proportional to 10,628,470.80, 15,944,261.40 and 3,438,781.20

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Solution

The fourth proportional to 10,628,470.80, 15,944,261.40 and 3,438,781.20 is: 5,158,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,470.80 : 15,944,261.40 = 3,438,781.20 : x
  2. Step 2: Convert to fraction form
    10,628,470.80/15,944,261.40 = 3,438,781.20/x
  3. Step 3: Cross multiply
    10,628,470.80x = 15,944,261.40 × 3,438,781.20
  4. Step 4: Simplify right side
    10,628,470.80x = 54,828,826,350,205.69
  5. Step 5: Solve for x
    x = 54,828,826,350,205.69/10,628,470.80
  6. Step 6: Final answer
    x = 5,158,674.98

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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.