Home / 7,275,543.20-10,906,316.40-5,655,413.60

Finding the Fourth Proportional to 7,275,543.20, 10,906,316.40 and 5,655,413.60

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Solution

The fourth proportional to 7,275,543.20, 10,906,316.40 and 5,655,413.60 is: 8,477,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,543.20 : 10,906,316.40 = 5,655,413.60 : x
  2. Step 2: Convert to fraction form
    7,275,543.20/10,906,316.40 = 5,655,413.60/x
  3. Step 3: Cross multiply
    7,275,543.20x = 10,906,316.40 × 5,655,413.60
  4. Step 4: Simplify right side
    7,275,543.20x = 61,679,730,094,463.04
  5. Step 5: Solve for x
    x = 61,679,730,094,463.04/7,275,543.20
  6. Step 6: Final answer
    x = 8,477,680.41

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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.