Home / 13,115,144.46-18,098,080.08-7,234,846.62

Finding the Fourth Proportional to 13,115,144.46, 18,098,080.08 and 7,234,846.62

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Solution

The fourth proportional to 13,115,144.46, 18,098,080.08 and 7,234,846.62 is: 9,983,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,144.46 : 18,098,080.08 = 7,234,846.62 : x
  2. Step 2: Convert to fraction form
    13,115,144.46/18,098,080.08 = 7,234,846.62/x
  3. Step 3: Cross multiply
    13,115,144.46x = 18,098,080.08 × 7,234,846.62
  4. Step 4: Simplify right side
    13,115,144.46x = 130,936,833,495,277.31
  5. Step 5: Solve for x
    x = 130,936,833,495,277.31/13,115,144.46
  6. Step 6: Final answer
    x = 9,983,636.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.