Home / 15,756,021.01-21,743,287.95-8,512,677.01

Finding the Fourth Proportional to 15,756,021.01, 21,743,287.95 and 8,512,677.01

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Solution

The fourth proportional to 15,756,021.01, 21,743,287.95 and 8,512,677.01 is: 11,747,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,021.01 : 21,743,287.95 = 8,512,677.01 : x
  2. Step 2: Convert to fraction form
    15,756,021.01/21,743,287.95 = 8,512,677.01/x
  3. Step 3: Cross multiply
    15,756,021.01x = 21,743,287.95 × 8,512,677.01
  4. Step 4: Simplify right side
    15,756,021.01x = 185,093,587,453,775.03
  5. Step 5: Solve for x
    x = 185,093,587,453,775.03/15,756,021.01
  6. Step 6: Final answer
    x = 11,747,482.90

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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.