Home / 20,024,230.40-30,036,345.60-8,656,755.20

Finding the Fourth Proportional to 20,024,230.40, 30,036,345.60 and 8,656,755.20

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Solution

The fourth proportional to 20,024,230.40, 30,036,345.60 and 8,656,755.20 is: 12,985,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024,230.40 : 30,036,345.60 = 8,656,755.20 : x
  2. Step 2: Convert to fraction form
    20,024,230.40/30,036,345.60 = 8,656,755.20/x
  3. Step 3: Cross multiply
    20,024,230.40x = 30,036,345.60 × 8,656,755.20
  4. Step 4: Simplify right side
    20,024,230.40x = 260,017,290,961,797.12
  5. Step 5: Solve for x
    x = 260,017,290,961,797.12/20,024,230.40
  6. Step 6: Final answer
    x = 12,985,132.80

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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.