Home / 21,804,257.82-30,090,517.63-12,015,332.57

Finding the Fourth Proportional to 21,804,257.82, 30,090,517.63 and 12,015,332.57

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Solution

The fourth proportional to 21,804,257.82, 30,090,517.63 and 12,015,332.57 is: 16,581,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,257.82 : 30,090,517.63 = 12,015,332.57 : x
  2. Step 2: Convert to fraction form
    21,804,257.82/30,090,517.63 = 12,015,332.57/x
  3. Step 3: Cross multiply
    21,804,257.82x = 30,090,517.63 × 12,015,332.57
  4. Step 4: Simplify right side
    21,804,257.82x = 361,547,576,482,710.25
  5. Step 5: Solve for x
    x = 361,547,576,482,710.25/21,804,257.82
  6. Step 6: Final answer
    x = 16,581,512.64

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1.5x scale

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.