Home / 35,918,642-53,891,348.28-21,552,021.20

Finding the Fourth Proportional to 35,918,642, 53,891,348.28 and 21,552,021.20

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Solution

The fourth proportional to 35,918,642, 53,891,348.28 and 21,552,021.20 is: 32,336,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918,642 : 53,891,348.28 = 21,552,021.20 : x
  2. Step 2: Convert to fraction form
    35,918,642/53,891,348.28 = 21,552,021.20/x
  3. Step 3: Cross multiply
    35,918,642x = 53,891,348.28 × 21,552,021.20
  4. Step 4: Simplify right side
    35,918,642x = 1,161,467,480,627,143.50
  5. Step 5: Solve for x
    x = 1,161,467,480,627,143.50/35,918,642
  6. Step 6: Final answer
    x = 32,336,063.28

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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.