Home / 20,214,200.40-30,321,300.60-9,452,520.15

Finding the Fourth Proportional to 20,214,200.40, 30,321,300.60 and 9,452,520.15

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Solution

The fourth proportional to 20,214,200.40, 30,321,300.60 and 9,452,520.15 is: 14,178,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,200.40 : 30,321,300.60 = 9,452,520.15 : x
  2. Step 2: Convert to fraction form
    20,214,200.40/30,321,300.60 = 9,452,520.15/x
  3. Step 3: Cross multiply
    20,214,200.40x = 30,321,300.60 × 9,452,520.15
  4. Step 4: Simplify right side
    20,214,200.40x = 286,612,704,895,707.12
  5. Step 5: Solve for x
    x = 286,612,704,895,707.12/20,214,200.40
  6. Step 6: Final answer
    x = 14,178,780.23

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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.