Home / 21,930,441.30-30,267,176.14-12,636,231.96

Finding the Fourth Proportional to 21,930,441.30, 30,267,176.14 and 12,636,231.96

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Solution

The fourth proportional to 21,930,441.30, 30,267,176.14 and 12,636,231.96 is: 17,439,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930,441.30 : 30,267,176.14 = 12,636,231.96 : x
  2. Step 2: Convert to fraction form
    21,930,441.30/30,267,176.14 = 12,636,231.96/x
  3. Step 3: Cross multiply
    21,930,441.30x = 30,267,176.14 × 12,636,231.96
  4. Step 4: Simplify right side
    21,930,441.30x = 382,463,058,479,217.50
  5. Step 5: Solve for x
    x = 382,463,058,479,217.50/21,930,441.30
  6. Step 6: Final answer
    x = 17,439,825.00

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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.