Home / 15,739,816.56-21,720,373.44-8,770,134

Finding the Fourth Proportional to 15,739,816.56, 21,720,373.44 and 8,770,134

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Solution

The fourth proportional to 15,739,816.56, 21,720,373.44 and 8,770,134 is: 12,102,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,816.56 : 21,720,373.44 = 8,770,134 : x
  2. Step 2: Convert to fraction form
    15,739,816.56/21,720,373.44 = 8,770,134/x
  3. Step 3: Cross multiply
    15,739,816.56x = 21,720,373.44 × 8,770,134
  4. Step 4: Simplify right side
    15,739,816.56x = 190,490,585,598,840.97
  5. Step 5: Solve for x
    x = 190,490,585,598,840.97/15,739,816.56
  6. Step 6: Final answer
    x = 12,102,465.42

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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.