Home / 12,468,046.10-18,702,069.15-10,483,999.70

Finding the Fourth Proportional to 12,468,046.10, 18,702,069.15 and 10,483,999.70

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Solution

The fourth proportional to 12,468,046.10, 18,702,069.15 and 10,483,999.70 is: 15,725,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,046.10 : 18,702,069.15 = 10,483,999.70 : x
  2. Step 2: Convert to fraction form
    12,468,046.10/18,702,069.15 = 10,483,999.70/x
  3. Step 3: Cross multiply
    12,468,046.10x = 18,702,069.15 × 10,483,999.70
  4. Step 4: Simplify right side
    12,468,046.10x = 196,072,487,357,979.22
  5. Step 5: Solve for x
    x = 196,072,487,357,979.22/12,468,046.10
  6. Step 6: Final answer
    x = 15,725,999.55

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Similar ratio
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1.5x scale

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.