Home / 6,142,921.17-8,478,917.39-3,565,432.32

Finding the Fourth Proportional to 6,142,921.17, 8,478,917.39 and 3,565,432.32

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Solution

The fourth proportional to 6,142,921.17, 8,478,917.39 and 3,565,432.32 is: 4,921,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,921.17 : 8,478,917.39 = 3,565,432.32 : x
  2. Step 2: Convert to fraction form
    6,142,921.17/8,478,917.39 = 3,565,432.32/x
  3. Step 3: Cross multiply
    6,142,921.17x = 8,478,917.39 × 3,565,432.32
  4. Step 4: Simplify right side
    6,142,921.17x = 30,231,006,131,026.92
  5. Step 5: Solve for x
    x = 30,231,006,131,026.92/6,142,921.17
  6. Step 6: Final answer
    x = 4,921,275.28

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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.