Home / 10,542,510.20-15,795,694.74-7,077,760.76

Finding the Fourth Proportional to 10,542,510.20, 15,795,694.74 and 7,077,760.76

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Solution

The fourth proportional to 10,542,510.20, 15,795,694.74 and 7,077,760.76 is: 10,604,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,510.20 : 15,795,694.74 = 7,077,760.76 : x
  2. Step 2: Convert to fraction form
    10,542,510.20/15,795,694.74 = 7,077,760.76/x
  3. Step 3: Cross multiply
    10,542,510.20x = 15,795,694.74 × 7,077,760.76
  4. Step 4: Simplify right side
    10,542,510.20x = 111,798,148,407,710.41
  5. Step 5: Solve for x
    x = 111,798,148,407,710.41/10,542,510.20
  6. Step 6: Final answer
    x = 10,604,509.39

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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.