Home / 15,012,910.94-20,722,221.65-8,734,915.40

Finding the Fourth Proportional to 15,012,910.94, 20,722,221.65 and 8,734,915.40

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Solution

The fourth proportional to 15,012,910.94, 20,722,221.65 and 8,734,915.40 is: 12,056,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012,910.94 : 20,722,221.65 = 8,734,915.40 : x
  2. Step 2: Convert to fraction form
    15,012,910.94/20,722,221.65 = 8,734,915.40/x
  3. Step 3: Cross multiply
    15,012,910.94x = 20,722,221.65 × 8,734,915.40
  4. Step 4: Simplify right side
    15,012,910.94x = 181,006,852,931,024.59
  5. Step 5: Solve for x
    x = 181,006,852,931,024.59/15,012,910.94
  6. Step 6: Final answer
    x = 12,056,745.94

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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.