Home / 12,885,673.89-19,328,627.46-3,910,225.89

Finding the Fourth Proportional to 12,885,673.89, 19,328,627.46 and 3,910,225.89

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Solution

The fourth proportional to 12,885,673.89, 19,328,627.46 and 3,910,225.89 is: 5,865,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,673.89 : 19,328,627.46 = 3,910,225.89 : x
  2. Step 2: Convert to fraction form
    12,885,673.89/19,328,627.46 = 3,910,225.89/x
  3. Step 3: Cross multiply
    12,885,673.89x = 19,328,627.46 × 3,910,225.89
  4. Step 4: Simplify right side
    12,885,673.89x = 75,579,299,512,256.95
  5. Step 5: Solve for x
    x = 75,579,299,512,256.95/12,885,673.89
  6. Step 6: Final answer
    x = 5,865,374.23

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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.