Home / 15,046,257.47-20,763,915.03-8,521,157.07

Finding the Fourth Proportional to 15,046,257.47, 20,763,915.03 and 8,521,157.07

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Solution

The fourth proportional to 15,046,257.47, 20,763,915.03 and 8,521,157.07 is: 11,759,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,257.47 : 20,763,915.03 = 8,521,157.07 : x
  2. Step 2: Convert to fraction form
    15,046,257.47/20,763,915.03 = 8,521,157.07/x
  3. Step 3: Cross multiply
    15,046,257.47x = 20,763,915.03 × 8,521,157.07
  4. Step 4: Simplify right side
    15,046,257.47x = 176,932,581,358,763.78
  5. Step 5: Solve for x
    x = 176,932,581,358,763.78/15,046,257.47
  6. Step 6: Final answer
    x = 11,759,241.91

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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.