Home / 40,292,133.60-55,602,960.32-21,957,414.24

Finding the Fourth Proportional to 40,292,133.60, 55,602,960.32 and 21,957,414.24

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Solution

The fourth proportional to 40,292,133.60, 55,602,960.32 and 21,957,414.24 is: 30,301,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292,133.60 : 55,602,960.32 = 21,957,414.24 : x
  2. Step 2: Convert to fraction form
    40,292,133.60/55,602,960.32 = 21,957,414.24/x
  3. Step 3: Cross multiply
    40,292,133.60x = 55,602,960.32 × 21,957,414.24
  4. Step 4: Simplify right side
    40,292,133.60x = 1,220,897,232,716,522.75
  5. Step 5: Solve for x
    x = 1,220,897,232,716,522.75/40,292,133.60
  6. Step 6: Final answer
    x = 30,301,131.35

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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.