Home / 10,931,831.80-16,397,747.70-5,250,686.20

Finding the Fourth Proportional to 10,931,831.80, 16,397,747.70 and 5,250,686.20

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Solution

The fourth proportional to 10,931,831.80, 16,397,747.70 and 5,250,686.20 is: 7,876,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,831.80 : 16,397,747.70 = 5,250,686.20 : x
  2. Step 2: Convert to fraction form
    10,931,831.80/16,397,747.70 = 5,250,686.20/x
  3. Step 3: Cross multiply
    10,931,831.80x = 16,397,747.70 × 5,250,686.20
  4. Step 4: Simplify right side
    10,931,831.80x = 86,099,427,559,471.73
  5. Step 5: Solve for x
    x = 86,099,427,559,471.73/10,931,831.80
  6. Step 6: Final answer
    x = 7,876,029.30

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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.