Home / 9,176,759.28-12,645,244.80-7,099,152.48

Finding the Fourth Proportional to 9,176,759.28, 12,645,244.80 and 7,099,152.48

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Solution

The fourth proportional to 9,176,759.28, 12,645,244.80 and 7,099,152.48 is: 9,782,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176,759.28 : 12,645,244.80 = 7,099,152.48 : x
  2. Step 2: Convert to fraction form
    9,176,759.28/12,645,244.80 = 7,099,152.48/x
  3. Step 3: Cross multiply
    9,176,759.28x = 12,645,244.80 × 7,099,152.48
  4. Step 4: Simplify right side
    9,176,759.28x = 89,770,520,982,127.11
  5. Step 5: Solve for x
    x = 89,770,520,982,127.11/9,176,759.28
  6. Step 6: Final answer
    x = 9,782,377.23

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1.5x scale

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.