Home / 21,930,433.29-30,267,165.11-12,636,223.97

Finding the Fourth Proportional to 21,930,433.29, 30,267,165.11 and 12,636,223.97

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Solution

The fourth proportional to 21,930,433.29, 30,267,165.11 and 12,636,223.97 is: 17,439,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930,433.29 : 30,267,165.11 = 12,636,223.97 : x
  2. Step 2: Convert to fraction form
    21,930,433.29/30,267,165.11 = 12,636,223.97/x
  3. Step 3: Cross multiply
    21,930,433.29x = 30,267,165.11 × 12,636,223.97
  4. Step 4: Simplify right side
    21,930,433.29x = 382,462,677,052,412.75
  5. Step 5: Solve for x
    x = 382,462,677,052,412.75/21,930,433.29
  6. Step 6: Final answer
    x = 17,439,813.98

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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.