Home / 7,398,689.60-11,109,439.20-4,039,457.60

Finding the Fourth Proportional to 7,398,689.60, 11,109,439.20 and 4,039,457.60

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Solution

The fourth proportional to 7,398,689.60, 11,109,439.20 and 4,039,457.60 is: 6,065,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398,689.60 : 11,109,439.20 = 4,039,457.60 : x
  2. Step 2: Convert to fraction form
    7,398,689.60/11,109,439.20 = 4,039,457.60/x
  3. Step 3: Cross multiply
    7,398,689.60x = 11,109,439.20 × 4,039,457.60
  4. Step 4: Simplify right side
    7,398,689.60x = 44,876,108,608,177.92
  5. Step 5: Solve for x
    x = 44,876,108,608,177.92/7,398,689.60
  6. Step 6: Final answer
    x = 6,065,413.07

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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.