Home / 28,854,025.20-43,344,023.40-20,350,969.20

Finding the Fourth Proportional to 28,854,025.20, 43,344,023.40 and 20,350,969.20

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Solution

The fourth proportional to 28,854,025.20, 43,344,023.40 and 20,350,969.20 is: 30,570,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854,025.20 : 43,344,023.40 = 20,350,969.20 : x
  2. Step 2: Convert to fraction form
    28,854,025.20/43,344,023.40 = 20,350,969.20/x
  3. Step 3: Cross multiply
    28,854,025.20x = 43,344,023.40 × 20,350,969.20
  4. Step 4: Simplify right side
    28,854,025.20x = 882,092,885,217,479.25
  5. Step 5: Solve for x
    x = 882,092,885,217,479.25/28,854,025.20
  6. Step 6: Final answer
    x = 30,570,878.04

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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.