Home / 8,316,085.20-12,456,413.10-6,721,762.20

Finding the Fourth Proportional to 8,316,085.20, 12,456,413.10 and 6,721,762.20

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Solution

The fourth proportional to 8,316,085.20, 12,456,413.10 and 6,721,762.20 is: 10,068,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,085.20 : 12,456,413.10 = 6,721,762.20 : x
  2. Step 2: Convert to fraction form
    8,316,085.20/12,456,413.10 = 6,721,762.20/x
  3. Step 3: Cross multiply
    8,316,085.20x = 12,456,413.10 × 6,721,762.20
  4. Step 4: Simplify right side
    8,316,085.20x = 83,729,046,723,164.81
  5. Step 5: Solve for x
    x = 83,729,046,723,164.81/8,316,085.20
  6. Step 6: Final answer
    x = 10,068,324.78

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1.5x scale

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.