Home / 40,284,538.42-55,592,671.02-21,949,823.92

Finding the Fourth Proportional to 40,284,538.42, 55,592,671.02 and 21,949,823.92

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Solution

The fourth proportional to 40,284,538.42, 55,592,671.02 and 21,949,823.92 is: 30,290,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284,538.42 : 55,592,671.02 = 21,949,823.92 : x
  2. Step 2: Convert to fraction form
    40,284,538.42/55,592,671.02 = 21,949,823.92/x
  3. Step 3: Cross multiply
    40,284,538.42x = 55,592,671.02 × 21,949,823.92
  4. Step 4: Simplify right side
    40,284,538.42x = 1,220,249,340,131,487
  5. Step 5: Solve for x
    x = 1,220,249,340,131,487/40,284,538.42
  6. Step 6: Final answer
    x = 30,290,761.37

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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.