Home / 12,770,534.88-17,623,711.76-6,969,688.68

Finding the Fourth Proportional to 12,770,534.88, 17,623,711.76 and 6,969,688.68

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Solution

The fourth proportional to 12,770,534.88, 17,623,711.76 and 6,969,688.68 is: 9,618,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,534.88 : 17,623,711.76 = 6,969,688.68 : x
  2. Step 2: Convert to fraction form
    12,770,534.88/17,623,711.76 = 6,969,688.68/x
  3. Step 3: Cross multiply
    12,770,534.88x = 17,623,711.76 × 6,969,688.68
  4. Step 4: Simplify right side
    12,770,534.88x = 122,831,784,353,254.89
  5. Step 5: Solve for x
    x = 122,831,784,353,254.89/12,770,534.88
  6. Step 6: Final answer
    x = 9,618,374.29

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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.