Home / 28,512,000.60-42,768,000.90-8,317,242.60

Finding the Fourth Proportional to 28,512,000.60, 42,768,000.90 and 8,317,242.60

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Solution

The fourth proportional to 28,512,000.60, 42,768,000.90 and 8,317,242.60 is: 12,475,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,000.60 : 42,768,000.90 = 8,317,242.60 : x
  2. Step 2: Convert to fraction form
    28,512,000.60/42,768,000.90 = 8,317,242.60/x
  3. Step 3: Cross multiply
    28,512,000.60x = 42,768,000.90 × 8,317,242.60
  4. Step 4: Simplify right side
    28,512,000.60x = 355,711,839,002,318.31
  5. Step 5: Solve for x
    x = 355,711,839,002,318.31/28,512,000.60
  6. Step 6: Final answer
    x = 12,475,863.90

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1.5x scale

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.