Home / 6,128,731.29-8,457,023.30-3,773,555.04

Finding the Fourth Proportional to 6,128,731.29, 8,457,023.30 and 3,773,555.04

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Solution

The fourth proportional to 6,128,731.29, 8,457,023.30 and 3,773,555.04 is: 5,207,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,731.29 : 8,457,023.30 = 3,773,555.04 : x
  2. Step 2: Convert to fraction form
    6,128,731.29/8,457,023.30 = 3,773,555.04/x
  3. Step 3: Cross multiply
    6,128,731.29x = 8,457,023.30 × 3,773,555.04
  4. Step 4: Simplify right side
    6,128,731.29x = 31,913,042,909,958.50
  5. Step 5: Solve for x
    x = 31,913,042,909,958.50/6,128,731.29
  6. Step 6: Final answer
    x = 5,207,120.59

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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.