Home / 38,560,928.87-53,214,184.98-20,919,831.37

Finding the Fourth Proportional to 38,560,928.87, 53,214,184.98 and 20,919,831.37

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Solution

The fourth proportional to 38,560,928.87, 53,214,184.98 and 20,919,831.37 is: 28,869,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560,928.87 : 53,214,184.98 = 20,919,831.37 : x
  2. Step 2: Convert to fraction form
    38,560,928.87/53,214,184.98 = 20,919,831.37/x
  3. Step 3: Cross multiply
    38,560,928.87x = 53,214,184.98 × 20,919,831.37
  4. Step 4: Simplify right side
    38,560,928.87x = 1,113,231,776,088,251.75
  5. Step 5: Solve for x
    x = 1,113,231,776,088,251.75/38,560,928.87
  6. Step 6: Final answer
    x = 28,869,423.24

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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.