Home / 10,867,327.65-16,300,991.48-8,156,978.55

Finding the Fourth Proportional to 10,867,327.65, 16,300,991.48 and 8,156,978.55

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Solution

The fourth proportional to 10,867,327.65, 16,300,991.48 and 8,156,978.55 is: 12,235,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,327.65 : 16,300,991.48 = 8,156,978.55 : x
  2. Step 2: Convert to fraction form
    10,867,327.65/16,300,991.48 = 8,156,978.55/x
  3. Step 3: Cross multiply
    10,867,327.65x = 16,300,991.48 × 8,156,978.55
  4. Step 4: Simplify right side
    10,867,327.65x = 132,966,837,805,307.86
  5. Step 5: Solve for x
    x = 132,966,837,805,307.86/10,867,327.65
  6. Step 6: Final answer
    x = 12,235,467.83

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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.