Home / 26,300,039.40-39,450,059.10-18,187,494.12

Finding the Fourth Proportional to 26,300,039.40, 39,450,059.10 and 18,187,494.12

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Solution

The fourth proportional to 26,300,039.40, 39,450,059.10 and 18,187,494.12 is: 27,281,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300,039.40 : 39,450,059.10 = 18,187,494.12 : x
  2. Step 2: Convert to fraction form
    26,300,039.40/39,450,059.10 = 18,187,494.12/x
  3. Step 3: Cross multiply
    26,300,039.40x = 39,450,059.10 × 18,187,494.12
  4. Step 4: Simplify right side
    26,300,039.40x = 717,497,717,914,902.50
  5. Step 5: Solve for x
    x = 717,497,717,914,902.50/26,300,039.40
  6. Step 6: Final answer
    x = 27,281,241.18

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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.