Home / 14,205,712.80-21,284,074.80-6,617,114.40

Finding the Fourth Proportional to 14,205,712.80, 21,284,074.80 and 6,617,114.40

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Solution

The fourth proportional to 14,205,712.80, 21,284,074.80 and 6,617,114.40 is: 9,914,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205,712.80 : 21,284,074.80 = 6,617,114.40 : x
  2. Step 2: Convert to fraction form
    14,205,712.80/21,284,074.80 = 6,617,114.40/x
  3. Step 3: Cross multiply
    14,205,712.80x = 21,284,074.80 × 6,617,114.40
  4. Step 4: Simplify right side
    14,205,712.80x = 140,839,157,849,757.12
  5. Step 5: Solve for x
    x = 140,839,157,849,757.12/14,205,712.80
  6. Step 6: Final answer
    x = 9,914,261.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.