Home / 19,007,764.76-28,433,560.59-15,177,069.30

Finding the Fourth Proportional to 19,007,764.76, 28,433,560.59 and 15,177,069.30

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Solution

The fourth proportional to 19,007,764.76, 28,433,560.59 and 15,177,069.30 is: 22,703,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,764.76 : 28,433,560.59 = 15,177,069.30 : x
  2. Step 2: Convert to fraction form
    19,007,764.76/28,433,560.59 = 15,177,069.30/x
  3. Step 3: Cross multiply
    19,007,764.76x = 28,433,560.59 × 15,177,069.30
  4. Step 4: Simplify right side
    19,007,764.76x = 431,538,119,520,178.88
  5. Step 5: Solve for x
    x = 431,538,119,520,178.88/19,007,764.76
  6. Step 6: Final answer
    x = 22,703,254.44

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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.