Home / 16,418,639.12-22,655,759.16-9,075,480.48

Finding the Fourth Proportional to 16,418,639.12, 22,655,759.16 and 9,075,480.48

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Solution

The fourth proportional to 16,418,639.12, 22,655,759.16 and 9,075,480.48 is: 12,523,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418,639.12 : 22,655,759.16 = 9,075,480.48 : x
  2. Step 2: Convert to fraction form
    16,418,639.12/22,655,759.16 = 9,075,480.48/x
  3. Step 3: Cross multiply
    16,418,639.12x = 22,655,759.16 × 9,075,480.48
  4. Step 4: Simplify right side
    16,418,639.12x = 205,611,900,016,161.22
  5. Step 5: Solve for x
    x = 205,611,900,016,161.22/16,418,639.12
  6. Step 6: Final answer
    x = 12,523,078.10

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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.