Home / 19,011,028.80-28,516,543.20-15,861,748.80

Finding the Fourth Proportional to 19,011,028.80, 28,516,543.20 and 15,861,748.80

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Solution

The fourth proportional to 19,011,028.80, 28,516,543.20 and 15,861,748.80 is: 23,792,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,028.80 : 28,516,543.20 = 15,861,748.80 : x
  2. Step 2: Convert to fraction form
    19,011,028.80/28,516,543.20 = 15,861,748.80/x
  3. Step 3: Cross multiply
    19,011,028.80x = 28,516,543.20 × 15,861,748.80
  4. Step 4: Simplify right side
    19,011,028.80x = 452,322,244,882,748.19
  5. Step 5: Solve for x
    x = 452,322,244,882,748.19/19,011,028.80
  6. Step 6: Final answer
    x = 23,792,623.20

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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.