Home / 29,149,075.20-43,723,612.80-8,955,321.60

Finding the Fourth Proportional to 29,149,075.20, 43,723,612.80 and 8,955,321.60

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Solution

The fourth proportional to 29,149,075.20, 43,723,612.80 and 8,955,321.60 is: 13,432,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149,075.20 : 43,723,612.80 = 8,955,321.60 : x
  2. Step 2: Convert to fraction form
    29,149,075.20/43,723,612.80 = 8,955,321.60/x
  3. Step 3: Cross multiply
    29,149,075.20x = 43,723,612.80 × 8,955,321.60
  4. Step 4: Simplify right side
    29,149,075.20x = 391,559,014,137,876.44
  5. Step 5: Solve for x
    x = 391,559,014,137,876.44/29,149,075.20
  6. Step 6: Final answer
    x = 13,432,982.40

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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.