Home / 28,585,474.29-39,448,204.20-15,532,732.89

Finding the Fourth Proportional to 28,585,474.29, 39,448,204.20 and 15,532,732.89

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Solution

The fourth proportional to 28,585,474.29, 39,448,204.20 and 15,532,732.89 is: 21,435,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,474.29 : 39,448,204.20 = 15,532,732.89 : x
  2. Step 2: Convert to fraction form
    28,585,474.29/39,448,204.20 = 15,532,732.89/x
  3. Step 3: Cross multiply
    28,585,474.29x = 39,448,204.20 × 15,532,732.89
  4. Step 4: Simplify right side
    28,585,474.29x = 612,738,418,828,776.25
  5. Step 5: Solve for x
    x = 612,738,418,828,776.25/28,585,474.29
  6. Step 6: Final answer
    x = 21,435,307.06

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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.