Home / 8,104,545.55-11,176,693.11-6,456,172.78

Finding the Fourth Proportional to 8,104,545.55, 11,176,693.11 and 6,456,172.78

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Solution

The fourth proportional to 8,104,545.55, 11,176,693.11 and 6,456,172.78 is: 8,903,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104,545.55 : 11,176,693.11 = 6,456,172.78 : x
  2. Step 2: Convert to fraction form
    8,104,545.55/11,176,693.11 = 6,456,172.78/x
  3. Step 3: Cross multiply
    8,104,545.55x = 11,176,693.11 × 6,456,172.78
  4. Step 4: Simplify right side
    8,104,545.55x = 72,158,661,841,166.41
  5. Step 5: Solve for x
    x = 72,158,661,841,166.41/8,104,545.55
  6. Step 6: Final answer
    x = 8,903,480.32

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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.