Home / 19,440,145.65-29,160,218.48-12,228,294.45

Finding the Fourth Proportional to 19,440,145.65, 29,160,218.48 and 12,228,294.45

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Solution

The fourth proportional to 19,440,145.65, 29,160,218.48 and 12,228,294.45 is: 18,342,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,145.65 : 29,160,218.48 = 12,228,294.45 : x
  2. Step 2: Convert to fraction form
    19,440,145.65/29,160,218.48 = 12,228,294.45/x
  3. Step 3: Cross multiply
    19,440,145.65x = 29,160,218.48 × 12,228,294.45
  4. Step 4: Simplify right side
    19,440,145.65x = 356,579,737,738,629.94
  5. Step 5: Solve for x
    x = 356,579,737,738,629.94/19,440,145.65
  6. Step 6: Final answer
    x = 18,342,441.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.