Home / 8,142,740.60-12,214,110.90-2,159,108.60

Finding the Fourth Proportional to 8,142,740.60, 12,214,110.90 and 2,159,108.60

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Solution

The fourth proportional to 8,142,740.60, 12,214,110.90 and 2,159,108.60 is: 3,238,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,740.60 : 12,214,110.90 = 2,159,108.60 : x
  2. Step 2: Convert to fraction form
    8,142,740.60/12,214,110.90 = 2,159,108.60/x
  3. Step 3: Cross multiply
    8,142,740.60x = 12,214,110.90 × 2,159,108.60
  4. Step 4: Simplify right side
    8,142,740.60x = 26,371,591,885,543.74
  5. Step 5: Solve for x
    x = 26,371,591,885,543.74/8,142,740.60
  6. Step 6: Final answer
    x = 3,238,662.90

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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.