Home / 40,128,278.98-55,380,440.28-22,727,719.66

Finding the Fourth Proportional to 40,128,278.98, 55,380,440.28 and 22,727,719.66

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Solution

The fourth proportional to 40,128,278.98, 55,380,440.28 and 22,727,719.66 is: 31,366,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,278.98 : 55,380,440.28 = 22,727,719.66 : x
  2. Step 2: Convert to fraction form
    40,128,278.98/55,380,440.28 = 22,727,719.66/x
  3. Step 3: Cross multiply
    40,128,278.98x = 55,380,440.28 × 22,727,719.66
  4. Step 4: Simplify right side
    40,128,278.98x = 1,258,671,121,331,212
  5. Step 5: Solve for x
    x = 1,258,671,121,331,212/40,128,278.98
  6. Step 6: Final answer
    x = 31,366,187.47

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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.