Home / 28,381,327.60-42,567,844.20-8,184,463.60

Finding the Fourth Proportional to 28,381,327.60, 42,567,844.20 and 8,184,463.60

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Solution

The fourth proportional to 28,381,327.60, 42,567,844.20 and 8,184,463.60 is: 12,275,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381,327.60 : 42,567,844.20 = 8,184,463.60 : x
  2. Step 2: Convert to fraction form
    28,381,327.60/42,567,844.20 = 8,184,463.60/x
  3. Step 3: Cross multiply
    28,381,327.60x = 42,567,844.20 × 8,184,463.60
  4. Step 4: Simplify right side
    28,381,327.60x = 348,394,971,385,371.12
  5. Step 5: Solve for x
    x = 348,394,971,385,371.12/28,381,327.60
  6. Step 6: Final answer
    x = 12,275,499.45

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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.