Home / 21,719,098.76-32,578,619.38-5,545,052.78

Finding the Fourth Proportional to 21,719,098.76, 32,578,619.38 and 5,545,052.78

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Solution

The fourth proportional to 21,719,098.76, 32,578,619.38 and 5,545,052.78 is: 8,317,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719,098.76 : 32,578,619.38 = 5,545,052.78 : x
  2. Step 2: Convert to fraction form
    21,719,098.76/32,578,619.38 = 5,545,052.78/x
  3. Step 3: Cross multiply
    21,719,098.76x = 32,578,619.38 × 5,545,052.78
  4. Step 4: Simplify right side
    21,719,098.76x = 180,650,163,784,875.16
  5. Step 5: Solve for x
    x = 180,650,163,784,875.16/21,719,098.76
  6. Step 6: Final answer
    x = 8,317,571.82

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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.