Home / 12,625,963.60-18,946,721.40-5,440,939.60

Finding the Fourth Proportional to 12,625,963.60, 18,946,721.40 and 5,440,939.60

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Solution

The fourth proportional to 12,625,963.60, 18,946,721.40 and 5,440,939.60 is: 8,164,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625,963.60 : 18,946,721.40 = 5,440,939.60 : x
  2. Step 2: Convert to fraction form
    12,625,963.60/18,946,721.40 = 5,440,939.60/x
  3. Step 3: Cross multiply
    12,625,963.60x = 18,946,721.40 × 5,440,939.60
  4. Step 4: Simplify right side
    12,625,963.60x = 103,087,966,755,427.42
  5. Step 5: Solve for x
    x = 103,087,966,755,427.42/12,625,963.60
  6. Step 6: Final answer
    x = 8,164,760.33

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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.