Home / 20,219,821.60-30,329,732.40-11,244,373.60

Finding the Fourth Proportional to 20,219,821.60, 30,329,732.40 and 11,244,373.60

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Solution

The fourth proportional to 20,219,821.60, 30,329,732.40 and 11,244,373.60 is: 16,866,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,821.60 : 30,329,732.40 = 11,244,373.60 : x
  2. Step 2: Convert to fraction form
    20,219,821.60/30,329,732.40 = 11,244,373.60/x
  3. Step 3: Cross multiply
    20,219,821.60x = 30,329,732.40 × 11,244,373.60
  4. Step 4: Simplify right side
    20,219,821.60x = 341,038,842,293,624.62
  5. Step 5: Solve for x
    x = 341,038,842,293,624.62/20,219,821.60
  6. Step 6: Final answer
    x = 16,866,560.40

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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.