Home / 12,098,701.70-18,148,052.55-12,014,720.90

Finding the Fourth Proportional to 12,098,701.70, 18,148,052.55 and 12,014,720.90

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Solution

The fourth proportional to 12,098,701.70, 18,148,052.55 and 12,014,720.90 is: 18,022,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,701.70 : 18,148,052.55 = 12,014,720.90 : x
  2. Step 2: Convert to fraction form
    12,098,701.70/18,148,052.55 = 12,014,720.90/x
  3. Step 3: Cross multiply
    12,098,701.70x = 18,148,052.55 × 12,014,720.90
  4. Step 4: Simplify right side
    12,098,701.70x = 218,043,786,266,783.31
  5. Step 5: Solve for x
    x = 218,043,786,266,783.31/12,098,701.70
  6. Step 6: Final answer
    x = 18,022,081.35

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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.