Home / 8,142,744.60-12,213,242.10-2,159,112.60

Finding the Fourth Proportional to 8,142,744.60, 12,213,242.10 and 2,159,112.60

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Solution

The fourth proportional to 8,142,744.60, 12,213,242.10 and 2,159,112.60 is: 3,238,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,744.60 : 12,213,242.10 = 2,159,112.60 : x
  2. Step 2: Convert to fraction form
    8,142,744.60/12,213,242.10 = 2,159,112.60/x
  3. Step 3: Cross multiply
    8,142,744.60x = 12,213,242.10 × 2,159,112.60
  4. Step 4: Simplify right side
    8,142,744.60x = 26,369,764,904,960.46
  5. Step 5: Solve for x
    x = 26,369,764,904,960.46/8,142,744.60
  6. Step 6: Final answer
    x = 3,238,436.94

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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.