Home / 10,378,608.82-15,569,401.86-3,190,746.30

Finding the Fourth Proportional to 10,378,608.82, 15,569,401.86 and 3,190,746.30

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Solution

The fourth proportional to 10,378,608.82, 15,569,401.86 and 3,190,746.30 is: 4,786,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,608.82 : 15,569,401.86 = 3,190,746.30 : x
  2. Step 2: Convert to fraction form
    10,378,608.82/15,569,401.86 = 3,190,746.30/x
  3. Step 3: Cross multiply
    10,378,608.82x = 15,569,401.86 × 3,190,746.30
  4. Step 4: Simplify right side
    10,378,608.82x = 49,678,011,378,008.11
  5. Step 5: Solve for x
    x = 49,678,011,378,008.11/10,378,608.82
  6. Step 6: Final answer
    x = 4,786,577.11

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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.