Home / 15,036,776.64-20,750,771.92-8,161,256.88

Finding the Fourth Proportional to 15,036,776.64, 20,750,771.92 and 8,161,256.88

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Solution

The fourth proportional to 15,036,776.64, 20,750,771.92 and 8,161,256.88 is: 11,262,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,776.64 : 20,750,771.92 = 8,161,256.88 : x
  2. Step 2: Convert to fraction form
    15,036,776.64/20,750,771.92 = 8,161,256.88/x
  3. Step 3: Cross multiply
    15,036,776.64x = 20,750,771.92 × 8,161,256.88
  4. Step 4: Simplify right side
    15,036,776.64x = 169,352,380,097,410.81
  5. Step 5: Solve for x
    x = 169,352,380,097,410.81/15,036,776.64
  6. Step 6: Final answer
    x = 11,262,545.43

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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.