Home / 9,176,760.28-12,645,246.18-7,099,153.48

Finding the Fourth Proportional to 9,176,760.28, 12,645,246.18 and 7,099,153.48

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Solution

The fourth proportional to 9,176,760.28, 12,645,246.18 and 7,099,153.48 is: 9,782,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176,760.28 : 12,645,246.18 = 7,099,153.48 : x
  2. Step 2: Convert to fraction form
    9,176,760.28/12,645,246.18 = 7,099,153.48/x
  3. Step 3: Cross multiply
    9,176,760.28x = 12,645,246.18 × 7,099,153.48
  4. Step 4: Simplify right side
    9,176,760.28x = 89,770,543,424,203.70
  5. Step 5: Solve for x
    x = 89,770,543,424,203.70/9,176,760.28
  6. Step 6: Final answer
    x = 9,782,378.60

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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.