Home / 6,386,693.76-8,813,897.28-3,486,280.32

Finding the Fourth Proportional to 6,386,693.76, 8,813,897.28 and 3,486,280.32

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Solution

The fourth proportional to 6,386,693.76, 8,813,897.28 and 3,486,280.32 is: 4,811,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,693.76 : 8,813,897.28 = 3,486,280.32 : x
  2. Step 2: Convert to fraction form
    6,386,693.76/8,813,897.28 = 3,486,280.32/x
  3. Step 3: Cross multiply
    6,386,693.76x = 8,813,897.28 × 3,486,280.32
  4. Step 4: Simplify right side
    6,386,693.76x = 30,727,716,629,765.53
  5. Step 5: Solve for x
    x = 30,727,716,629,765.53/6,386,693.76
  6. Step 6: Final answer
    x = 4,811,208.71

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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.