Home / 6,868,543.32-9,478,115.64-3,812,517

Finding the Fourth Proportional to 6,868,543.32, 9,478,115.64 and 3,812,517

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Solution

The fourth proportional to 6,868,543.32, 9,478,115.64 and 3,812,517 is: 5,261,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868,543.32 : 9,478,115.64 = 3,812,517 : x
  2. Step 2: Convert to fraction form
    6,868,543.32/9,478,115.64 = 3,812,517/x
  3. Step 3: Cross multiply
    6,868,543.32x = 9,478,115.64 × 3,812,517
  4. Step 4: Simplify right side
    6,868,543.32x = 36,135,477,005,465.88
  5. Step 5: Solve for x
    x = 36,135,477,005,465.88/6,868,543.32
  6. Step 6: Final answer
    x = 5,261,010.28

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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.