Home / 20,352,024.20-30,518,705.10-8,986,622.60

Finding the Fourth Proportional to 20,352,024.20, 30,518,705.10 and 8,986,622.60

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Solution

The fourth proportional to 20,352,024.20, 30,518,705.10 and 8,986,622.60 is: 13,475,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352,024.20 : 30,518,705.10 = 8,986,622.60 : x
  2. Step 2: Convert to fraction form
    20,352,024.20/30,518,705.10 = 8,986,622.60/x
  3. Step 3: Cross multiply
    20,352,024.20x = 30,518,705.10 × 8,986,622.60
  4. Step 4: Simplify right side
    20,352,024.20x = 274,260,084,974,395.25
  5. Step 5: Solve for x
    x = 274,260,084,974,395.25/20,352,024.20
  6. Step 6: Final answer
    x = 13,475,813.62

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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.