Home / 26,299,279.20-39,448,918.80-19,921,987.20

Finding the Fourth Proportional to 26,299,279.20, 39,448,918.80 and 19,921,987.20

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Solution

The fourth proportional to 26,299,279.20, 39,448,918.80 and 19,921,987.20 is: 29,882,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299,279.20 : 39,448,918.80 = 19,921,987.20 : x
  2. Step 2: Convert to fraction form
    26,299,279.20/39,448,918.80 = 19,921,987.20/x
  3. Step 3: Cross multiply
    26,299,279.20x = 39,448,918.80 × 19,921,987.20
  4. Step 4: Simplify right side
    26,299,279.20x = 785,900,855,387,439.25
  5. Step 5: Solve for x
    x = 785,900,855,387,439.25/26,299,279.20
  6. Step 6: Final answer
    x = 29,882,980.80

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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.