Home / 39,960,938.31-55,146,094.19-21,626,223.81

Finding the Fourth Proportional to 39,960,938.31, 55,146,094.19 and 21,626,223.81

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Solution

The fourth proportional to 39,960,938.31, 55,146,094.19 and 21,626,223.81 is: 29,844,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,938.31 : 55,146,094.19 = 21,626,223.81 : x
  2. Step 2: Convert to fraction form
    39,960,938.31/55,146,094.19 = 21,626,223.81/x
  3. Step 3: Cross multiply
    39,960,938.31x = 55,146,094.19 × 21,626,223.81
  4. Step 4: Simplify right side
    39,960,938.31x = 1,192,601,775,092,149.50
  5. Step 5: Solve for x
    x = 1,192,601,775,092,149.50/39,960,938.31
  6. Step 6: Final answer
    x = 29,844,188.49

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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.