Home / 12,421,199.70-17,141,556.02-6,914,946.78

Finding the Fourth Proportional to 12,421,199.70, 17,141,556.02 and 6,914,946.78

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Solution

The fourth proportional to 12,421,199.70, 17,141,556.02 and 6,914,946.78 is: 9,542,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,199.70 : 17,141,556.02 = 6,914,946.78 : x
  2. Step 2: Convert to fraction form
    12,421,199.70/17,141,556.02 = 6,914,946.78/x
  3. Step 3: Cross multiply
    12,421,199.70x = 17,141,556.02 × 6,914,946.78
  4. Step 4: Simplify right side
    12,421,199.70x = 118,532,947,570,113.89
  5. Step 5: Solve for x
    x = 118,532,947,570,113.89/12,421,199.70
  6. Step 6: Final answer
    x = 9,542,793.81

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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.