Home / 12,995,915.50-19,500,693.09-5,325,254.38

Finding the Fourth Proportional to 12,995,915.50, 19,500,693.09 and 5,325,254.38

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Solution

The fourth proportional to 12,995,915.50, 19,500,693.09 and 5,325,254.38 is: 7,990,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,915.50 : 19,500,693.09 = 5,325,254.38 : x
  2. Step 2: Convert to fraction form
    12,995,915.50/19,500,693.09 = 5,325,254.38/x
  3. Step 3: Cross multiply
    12,995,915.50x = 19,500,693.09 × 5,325,254.38
  4. Step 4: Simplify right side
    12,995,915.50x = 103,846,151,290,558.23
  5. Step 5: Solve for x
    x = 103,846,151,290,558.23/12,995,915.50
  6. Step 6: Final answer
    x = 7,990,676.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.