Home / 7,142,859.33-10,714,511.19-3,398,678.42

Finding the Fourth Proportional to 7,142,859.33, 10,714,511.19 and 3,398,678.42

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Solution

The fourth proportional to 7,142,859.33, 10,714,511.19 and 3,398,678.42 is: 5,098,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,859.33 : 10,714,511.19 = 3,398,678.42 : x
  2. Step 2: Convert to fraction form
    7,142,859.33/10,714,511.19 = 3,398,678.42/x
  3. Step 3: Cross multiply
    7,142,859.33x = 10,714,511.19 × 3,398,678.42
  4. Step 4: Simplify right side
    7,142,859.33x = 36,415,177,962,301.52
  5. Step 5: Solve for x
    x = 36,415,177,962,301.52/7,142,859.33
  6. Step 6: Final answer
    x = 5,098,123.35

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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.