Home / 10,080,321.70-15,120,482.55-9,041,059.30

Finding the Fourth Proportional to 10,080,321.70, 15,120,482.55 and 9,041,059.30

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Solution

The fourth proportional to 10,080,321.70, 15,120,482.55 and 9,041,059.30 is: 13,561,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,321.70 : 15,120,482.55 = 9,041,059.30 : x
  2. Step 2: Convert to fraction form
    10,080,321.70/15,120,482.55 = 9,041,059.30/x
  3. Step 3: Cross multiply
    10,080,321.70x = 15,120,482.55 × 9,041,059.30
  4. Step 4: Simplify right side
    10,080,321.70x = 136,705,179,379,165.23
  5. Step 5: Solve for x
    x = 136,705,179,379,165.23/10,080,321.70
  6. Step 6: Final answer
    x = 13,561,588.95

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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.