Home / 40,472,840.66-55,852,687.25-21,887,980.41

Finding the Fourth Proportional to 40,472,840.66, 55,852,687.25 and 21,887,980.41

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Solution

The fourth proportional to 40,472,840.66, 55,852,687.25 and 21,887,980.41 is: 30,205,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,472,840.66 : 55,852,687.25 = 21,887,980.41 : x
  2. Step 2: Convert to fraction form
    40,472,840.66/55,852,687.25 = 21,887,980.41/x
  3. Step 3: Cross multiply
    40,472,840.66x = 55,852,687.25 × 21,887,980.41
  4. Step 4: Simplify right side
    40,472,840.66x = 1,222,502,524,084,715.25
  5. Step 5: Solve for x
    x = 1,222,502,524,084,715.25/40,472,840.66
  6. Step 6: Final answer
    x = 30,205,503.35

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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.