Home / 8,142,455.70-12,213,683.55-4,152,849.30

Finding the Fourth Proportional to 8,142,455.70, 12,213,683.55 and 4,152,849.30

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Solution

The fourth proportional to 8,142,455.70, 12,213,683.55 and 4,152,849.30 is: 6,229,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,455.70 : 12,213,683.55 = 4,152,849.30 : x
  2. Step 2: Convert to fraction form
    8,142,455.70/12,213,683.55 = 4,152,849.30/x
  3. Step 3: Cross multiply
    8,142,455.70x = 12,213,683.55 × 4,152,849.30
  4. Step 4: Simplify right side
    8,142,455.70x = 50,721,587,181,039.02
  5. Step 5: Solve for x
    x = 50,721,587,181,039.02/8,142,455.70
  6. Step 6: Final answer
    x = 6,229,273.95

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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.