Home / 11,189,439.28-15,433,102.62-9,880,381.78

Finding the Fourth Proportional to 11,189,439.28, 15,433,102.62 and 9,880,381.78

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Solution

The fourth proportional to 11,189,439.28, 15,433,102.62 and 9,880,381.78 is: 13,627,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189,439.28 : 15,433,102.62 = 9,880,381.78 : x
  2. Step 2: Convert to fraction form
    11,189,439.28/15,433,102.62 = 9,880,381.78/x
  3. Step 3: Cross multiply
    11,189,439.28x = 15,433,102.62 × 9,880,381.78
  4. Step 4: Simplify right side
    11,189,439.28x = 152,484,946,054,091.41
  5. Step 5: Solve for x
    x = 152,484,946,054,091.41/11,189,439.28
  6. Step 6: Final answer
    x = 13,627,577.06

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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.