Home / 10,279,975.80-15,419,963.70-5,502,401.40

Finding the Fourth Proportional to 10,279,975.80, 15,419,963.70 and 5,502,401.40

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Solution

The fourth proportional to 10,279,975.80, 15,419,963.70 and 5,502,401.40 is: 8,253,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,975.80 : 15,419,963.70 = 5,502,401.40 : x
  2. Step 2: Convert to fraction form
    10,279,975.80/15,419,963.70 = 5,502,401.40/x
  3. Step 3: Cross multiply
    10,279,975.80x = 15,419,963.70 × 5,502,401.40
  4. Step 4: Simplify right side
    10,279,975.80x = 84,846,829,850,829.19
  5. Step 5: Solve for x
    x = 84,846,829,850,829.19/10,279,975.80
  6. Step 6: Final answer
    x = 8,253,602.10

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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.