Home / 21,913,760.89-30,241,880.18-12,124,045.61

Finding the Fourth Proportional to 21,913,760.89, 30,241,880.18 and 12,124,045.61

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Solution

The fourth proportional to 21,913,760.89, 30,241,880.18 and 12,124,045.61 is: 16,731,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,760.89 : 30,241,880.18 = 12,124,045.61 : x
  2. Step 2: Convert to fraction form
    21,913,760.89/30,241,880.18 = 12,124,045.61/x
  3. Step 3: Cross multiply
    21,913,760.89x = 30,241,880.18 × 12,124,045.61
  4. Step 4: Simplify right side
    21,913,760.89x = 366,653,934,581,517.62
  5. Step 5: Solve for x
    x = 366,653,934,581,517.62/21,913,760.89
  6. Step 6: Final answer
    x = 16,731,675.43

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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.