Home / 28,522,148.80-42,782,834.40-9,353,531.20

Finding the Fourth Proportional to 28,522,148.80, 42,782,834.40 and 9,353,531.20

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Solution

The fourth proportional to 28,522,148.80, 42,782,834.40 and 9,353,531.20 is: 14,030,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,148.80 : 42,782,834.40 = 9,353,531.20 : x
  2. Step 2: Convert to fraction form
    28,522,148.80/42,782,834.40 = 9,353,531.20/x
  3. Step 3: Cross multiply
    28,522,148.80x = 42,782,834.40 × 9,353,531.20
  4. Step 4: Simplify right side
    28,522,148.80x = 400,170,576,384,833.25
  5. Step 5: Solve for x
    x = 400,170,576,384,833.25/28,522,148.80
  6. Step 6: Final answer
    x = 14,030,169.30

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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.