Home / 12,530,812.32-17,292,113.28-7,374,456

Finding the Fourth Proportional to 12,530,812.32, 17,292,113.28 and 7,374,456

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Solution

The fourth proportional to 12,530,812.32, 17,292,113.28 and 7,374,456 is: 10,176,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,812.32 : 17,292,113.28 = 7,374,456 : x
  2. Step 2: Convert to fraction form
    12,530,812.32/17,292,113.28 = 7,374,456/x
  3. Step 3: Cross multiply
    12,530,812.32x = 17,292,113.28 × 7,374,456
  4. Step 4: Simplify right side
    12,530,812.32x = 127,519,928,530,375.69
  5. Step 5: Solve for x
    x = 127,519,928,530,375.69/12,530,812.32
  6. Step 6: Final answer
    x = 10,176,509.33

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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.