Home / 28,028,169.60-42,034,381.20-8,864,800.80

Finding the Fourth Proportional to 28,028,169.60, 42,034,381.20 and 8,864,800.80

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Solution

The fourth proportional to 28,028,169.60, 42,034,381.20 and 8,864,800.80 is: 13,294,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028,169.60 : 42,034,381.20 = 8,864,800.80 : x
  2. Step 2: Convert to fraction form
    28,028,169.60/42,034,381.20 = 8,864,800.80/x
  3. Step 3: Cross multiply
    28,028,169.60x = 42,034,381.20 × 8,864,800.80
  4. Step 4: Simplify right side
    28,028,169.60x = 372,626,416,089,265
  5. Step 5: Solve for x
    x = 372,626,416,089,265/28,028,169.60
  6. Step 6: Final answer
    x = 13,294,711.05

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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.