Home / 20,313,987.70-30,453,044.95-15,542,976.13

Finding the Fourth Proportional to 20,313,987.70, 30,453,044.95 and 15,542,976.13

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Solution

The fourth proportional to 20,313,987.70, 30,453,044.95 and 15,542,976.13 is: 23,300,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,987.70 : 30,453,044.95 = 15,542,976.13 : x
  2. Step 2: Convert to fraction form
    20,313,987.70/30,453,044.95 = 15,542,976.13/x
  3. Step 3: Cross multiply
    20,313,987.70x = 30,453,044.95 × 15,542,976.13
  4. Step 4: Simplify right side
    20,313,987.70x = 473,330,950,743,667.06
  5. Step 5: Solve for x
    x = 473,330,950,743,667.06/20,313,987.70
  6. Step 6: Final answer
    x = 23,300,740.25

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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.