Home / 18,432,003.80-27,648,005.70-11,705,245.40

Finding the Fourth Proportional to 18,432,003.80, 27,648,005.70 and 11,705,245.40

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Solution

The fourth proportional to 18,432,003.80, 27,648,005.70 and 11,705,245.40 is: 17,557,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,003.80 : 27,648,005.70 = 11,705,245.40 : x
  2. Step 2: Convert to fraction form
    18,432,003.80/27,648,005.70 = 11,705,245.40/x
  3. Step 3: Cross multiply
    18,432,003.80x = 27,648,005.70 × 11,705,245.40
  4. Step 4: Simplify right side
    18,432,003.80x = 323,626,691,539,098.81
  5. Step 5: Solve for x
    x = 323,626,691,539,098.81/18,432,003.80
  6. Step 6: Final answer
    x = 17,557,868.10

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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.