Home / 28,247,811.44-42,353,482.44-12,084,306.80

Finding the Fourth Proportional to 28,247,811.44, 42,353,482.44 and 12,084,306.80

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Solution

The fourth proportional to 28,247,811.44, 42,353,482.44 and 12,084,306.80 is: 18,118,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247,811.44 : 42,353,482.44 = 12,084,306.80 : x
  2. Step 2: Convert to fraction form
    28,247,811.44/42,353,482.44 = 12,084,306.80/x
  3. Step 3: Cross multiply
    28,247,811.44x = 42,353,482.44 × 12,084,306.80
  4. Step 4: Simplify right side
    28,247,811.44x = 511,812,475,853,372.62
  5. Step 5: Solve for x
    x = 511,812,475,853,372.62/28,247,811.44
  6. Step 6: Final answer
    x = 18,118,659.46

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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.