Home / 26,433,378.65-39,658,185.75-12,617,966.55

Finding the Fourth Proportional to 26,433,378.65, 39,658,185.75 and 12,617,966.55

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Solution

The fourth proportional to 26,433,378.65, 39,658,185.75 and 12,617,966.55 is: 18,930,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433,378.65 : 39,658,185.75 = 12,617,966.55 : x
  2. Step 2: Convert to fraction form
    26,433,378.65/39,658,185.75 = 12,617,966.55/x
  3. Step 3: Cross multiply
    26,433,378.65x = 39,658,185.75 × 12,617,966.55
  4. Step 4: Simplify right side
    26,433,378.65x = 500,405,661,227,186.69
  5. Step 5: Solve for x
    x = 500,405,661,227,186.69/26,433,378.65
  6. Step 6: Final answer
    x = 18,930,824.85

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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.