Home / 21,430,850.80-32,146,276.20-5,474,498.80

Finding the Fourth Proportional to 21,430,850.80, 32,146,276.20 and 5,474,498.80

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Solution

The fourth proportional to 21,430,850.80, 32,146,276.20 and 5,474,498.80 is: 8,211,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430,850.80 : 32,146,276.20 = 5,474,498.80 : x
  2. Step 2: Convert to fraction form
    21,430,850.80/32,146,276.20 = 5,474,498.80/x
  3. Step 3: Cross multiply
    21,430,850.80x = 32,146,276.20 × 5,474,498.80
  4. Step 4: Simplify right side
    21,430,850.80x = 175,984,750,481,368.56
  5. Step 5: Solve for x
    x = 175,984,750,481,368.56/21,430,850.80
  6. Step 6: Final answer
    x = 8,211,748.20

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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.