Home / 6,726,888.60-9,288,395.60-5,415,976.48

Finding the Fourth Proportional to 6,726,888.60, 9,288,395.60 and 5,415,976.48

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Solution

The fourth proportional to 6,726,888.60, 9,288,395.60 and 5,415,976.48 is: 7,478,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726,888.60 : 9,288,395.60 = 5,415,976.48 : x
  2. Step 2: Convert to fraction form
    6,726,888.60/9,288,395.60 = 5,415,976.48/x
  3. Step 3: Cross multiply
    6,726,888.60x = 9,288,395.60 × 5,415,976.48
  4. Step 4: Simplify right side
    6,726,888.60x = 50,305,732,106,535.49
  5. Step 5: Solve for x
    x = 50,305,732,106,535.49/6,726,888.60
  6. Step 6: Final answer
    x = 7,478,306.11

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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.