Home / 13,685,016.68-18,885,915.78-7,573,447.16

Finding the Fourth Proportional to 13,685,016.68, 18,885,915.78 and 7,573,447.16

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Solution

The fourth proportional to 13,685,016.68, 18,885,915.78 and 7,573,447.16 is: 10,451,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685,016.68 : 18,885,915.78 = 7,573,447.16 : x
  2. Step 2: Convert to fraction form
    13,685,016.68/18,885,915.78 = 7,573,447.16/x
  3. Step 3: Cross multiply
    13,685,016.68x = 18,885,915.78 × 7,573,447.16
  4. Step 4: Simplify right side
    13,685,016.68x = 143,031,485,228,040.19
  5. Step 5: Solve for x
    x = 143,031,485,228,040.19/13,685,016.68
  6. Step 6: Final answer
    x = 10,451,685.12

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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.