Home / 21,509,377.94-29,682,567.15-11,719,903.03

Finding the Fourth Proportional to 21,509,377.94, 29,682,567.15 and 11,719,903.03

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Solution

The fourth proportional to 21,509,377.94, 29,682,567.15 and 11,719,903.03 is: 16,173,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,377.94 : 29,682,567.15 = 11,719,903.03 : x
  2. Step 2: Convert to fraction form
    21,509,377.94/29,682,567.15 = 11,719,903.03/x
  3. Step 3: Cross multiply
    21,509,377.94x = 29,682,567.15 × 11,719,903.03
  4. Step 4: Simplify right side
    21,509,377.94x = 347,876,808,561,307.38
  5. Step 5: Solve for x
    x = 347,876,808,561,307.38/21,509,377.94
  6. Step 6: Final answer
    x = 16,173,262.17

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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.