Home / 13,935,462.40-20,895,057.96-5,405,831.92

Finding the Fourth Proportional to 13,935,462.40, 20,895,057.96 and 5,405,831.92

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Solution

The fourth proportional to 13,935,462.40, 20,895,057.96 and 5,405,831.92 is: 8,105,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,462.40 : 20,895,057.96 = 5,405,831.92 : x
  2. Step 2: Convert to fraction form
    13,935,462.40/20,895,057.96 = 5,405,831.92/x
  3. Step 3: Cross multiply
    13,935,462.40x = 20,895,057.96 × 5,405,831.92
  4. Step 4: Simplify right side
    13,935,462.40x = 112,955,171,290,418.09
  5. Step 5: Solve for x
    x = 112,955,171,290,418.09/13,935,462.40
  6. Step 6: Final answer
    x = 8,105,591.91

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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.