Home / 12,396,036.70-18,594,055.05-12,183,460.30

Finding the Fourth Proportional to 12,396,036.70, 18,594,055.05 and 12,183,460.30

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Solution

The fourth proportional to 12,396,036.70, 18,594,055.05 and 12,183,460.30 is: 18,275,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,036.70 : 18,594,055.05 = 12,183,460.30 : x
  2. Step 2: Convert to fraction form
    12,396,036.70/18,594,055.05 = 12,183,460.30/x
  3. Step 3: Cross multiply
    12,396,036.70x = 18,594,055.05 × 12,183,460.30
  4. Step 4: Simplify right side
    12,396,036.70x = 226,539,931,517,689.53
  5. Step 5: Solve for x
    x = 226,539,931,517,689.53/12,396,036.70
  6. Step 6: Final answer
    x = 18,275,190.45

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Double scale
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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.