Home / 20,234,738.40-30,352,107.60-16,691,798.40

Finding the Fourth Proportional to 20,234,738.40, 30,352,107.60 and 16,691,798.40

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Solution

The fourth proportional to 20,234,738.40, 30,352,107.60 and 16,691,798.40 is: 25,037,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234,738.40 : 30,352,107.60 = 16,691,798.40 : x
  2. Step 2: Convert to fraction form
    20,234,738.40/30,352,107.60 = 16,691,798.40/x
  3. Step 3: Cross multiply
    20,234,738.40x = 30,352,107.60 × 16,691,798.40
  4. Step 4: Simplify right side
    20,234,738.40x = 506,631,261,074,307.88
  5. Step 5: Solve for x
    x = 506,631,261,074,307.88/20,234,738.40
  6. Step 6: Final answer
    x = 25,037,697.60

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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.