Home / 15,071,165.28-20,798,355.60-8,195,796

Finding the Fourth Proportional to 15,071,165.28, 20,798,355.60 and 8,195,796

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Solution

The fourth proportional to 15,071,165.28, 20,798,355.60 and 8,195,796 is: 11,310,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,165.28 : 20,798,355.60 = 8,195,796 : x
  2. Step 2: Convert to fraction form
    15,071,165.28/20,798,355.60 = 8,195,796/x
  3. Step 3: Cross multiply
    15,071,165.28x = 20,798,355.60 × 8,195,796
  4. Step 4: Simplify right side
    15,071,165.28x = 170,459,079,633,057.62
  5. Step 5: Solve for x
    x = 170,459,079,633,057.62/15,071,165.28
  6. Step 6: Final answer
    x = 11,310,278.70

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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.