Home / 7,815,607.20-10,781,569.80-5,332,965.84

Finding the Fourth Proportional to 7,815,607.20, 10,781,569.80 and 5,332,965.84

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Solution

The fourth proportional to 7,815,607.20, 10,781,569.80 and 5,332,965.84 is: 7,356,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,607.20 : 10,781,569.80 = 5,332,965.84 : x
  2. Step 2: Convert to fraction form
    7,815,607.20/10,781,569.80 = 5,332,965.84/x
  3. Step 3: Cross multiply
    7,815,607.20x = 10,781,569.80 × 5,332,965.84
  4. Step 4: Simplify right side
    7,815,607.20x = 57,497,743,444,975.63
  5. Step 5: Solve for x
    x = 57,497,743,444,975.63/7,815,607.20
  6. Step 6: Final answer
    x = 7,356,785.21

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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.