Home / 28,864,982.40-39,801,754.26-18,394,412.10

Finding the Fourth Proportional to 28,864,982.40, 39,801,754.26 and 18,394,412.10

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Solution

The fourth proportional to 28,864,982.40, 39,801,754.26 and 18,394,412.10 is: 25,363,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864,982.40 : 39,801,754.26 = 18,394,412.10 : x
  2. Step 2: Convert to fraction form
    28,864,982.40/39,801,754.26 = 18,394,412.10/x
  3. Step 3: Cross multiply
    28,864,982.40x = 39,801,754.26 × 18,394,412.10
  4. Step 4: Simplify right side
    28,864,982.40x = 732,129,870,161,370.62
  5. Step 5: Solve for x
    x = 732,129,870,161,370.62/28,864,982.40
  6. Step 6: Final answer
    x = 25,363,946.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.