Home / 8,290,686.56-12,443,017.30-3,501,812.66

Finding the Fourth Proportional to 8,290,686.56, 12,443,017.30 and 3,501,812.66

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Solution

The fourth proportional to 8,290,686.56, 12,443,017.30 and 3,501,812.66 is: 5,255,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,686.56 : 12,443,017.30 = 3,501,812.66 : x
  2. Step 2: Convert to fraction form
    8,290,686.56/12,443,017.30 = 3,501,812.66/x
  3. Step 3: Cross multiply
    8,290,686.56x = 12,443,017.30 × 3,501,812.66
  4. Step 4: Simplify right side
    8,290,686.56x = 43,573,115,438,769.40
  5. Step 5: Solve for x
    x = 43,573,115,438,769.40/8,290,686.56
  6. Step 6: Final answer
    x = 5,255,670.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.