Home / 15,739,775.70-21,720,317.02-8,770,093.13

Finding the Fourth Proportional to 15,739,775.70, 21,720,317.02 and 8,770,093.13

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Solution

The fourth proportional to 15,739,775.70, 21,720,317.02 and 8,770,093.13 is: 12,102,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,775.70 : 21,720,317.02 = 8,770,093.13 : x
  2. Step 2: Convert to fraction form
    15,739,775.70/21,720,317.02 = 8,770,093.13/x
  3. Step 3: Cross multiply
    15,739,775.70x = 21,720,317.02 × 8,770,093.13
  4. Step 4: Simplify right side
    15,739,775.70x = 190,489,203,078,524.09
  5. Step 5: Solve for x
    x = 190,489,203,078,524.09/15,739,775.70
  6. Step 6: Final answer
    x = 12,102,409.00

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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.