Home / 14,622,731.43-20,173,016.43-8,818,287.63

Finding the Fourth Proportional to 14,622,731.43, 20,173,016.43 and 8,818,287.63

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Solution

The fourth proportional to 14,622,731.43, 20,173,016.43 and 8,818,287.63 is: 12,165,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622,731.43 : 20,173,016.43 = 8,818,287.63 : x
  2. Step 2: Convert to fraction form
    14,622,731.43/20,173,016.43 = 8,818,287.63/x
  3. Step 3: Cross multiply
    14,622,731.43x = 20,173,016.43 × 8,818,287.63
  4. Step 4: Simplify right side
    14,622,731.43x = 177,891,461,244,455.78
  5. Step 5: Solve for x
    x = 177,891,461,244,455.78/14,622,731.43
  6. Step 6: Final answer
    x = 12,165,405.77

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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.