Home / 8,268,071.76-12,354,677.28-6,311,975.22

Finding the Fourth Proportional to 8,268,071.76, 12,354,677.28 and 6,311,975.22

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Solution

The fourth proportional to 8,268,071.76, 12,354,677.28 and 6,311,975.22 is: 9,431,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,071.76 : 12,354,677.28 = 6,311,975.22 : x
  2. Step 2: Convert to fraction form
    8,268,071.76/12,354,677.28 = 6,311,975.22/x
  3. Step 3: Cross multiply
    8,268,071.76x = 12,354,677.28 × 6,311,975.22
  4. Step 4: Simplify right side
    8,268,071.76x = 77,982,416,842,457
  5. Step 5: Solve for x
    x = 77,982,416,842,457/8,268,071.76
  6. Step 6: Final answer
    x = 9,431,753.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.