Home / 14,919,280.92-20,588,577.30-8,392,915.08

Finding the Fourth Proportional to 14,919,280.92, 20,588,577.30 and 8,392,915.08

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Solution

The fourth proportional to 14,919,280.92, 20,588,577.30 and 8,392,915.08 is: 11,582,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,280.92 : 20,588,577.30 = 8,392,915.08 : x
  2. Step 2: Convert to fraction form
    14,919,280.92/20,588,577.30 = 8,392,915.08/x
  3. Step 3: Cross multiply
    14,919,280.92x = 20,588,577.30 × 8,392,915.08
  4. Step 4: Simplify right side
    14,919,280.92x = 172,798,180,896,915.69
  5. Step 5: Solve for x
    x = 172,798,180,896,915.69/14,919,280.92
  6. Step 6: Final answer
    x = 11,582,205.73

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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.