Home / 28,926,300.89-39,919,446.14-15,874,026.91

Finding the Fourth Proportional to 28,926,300.89, 39,919,446.14 and 15,874,026.91

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Solution

The fourth proportional to 28,926,300.89, 39,919,446.14 and 15,874,026.91 is: 21,906,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926,300.89 : 39,919,446.14 = 15,874,026.91 : x
  2. Step 2: Convert to fraction form
    28,926,300.89/39,919,446.14 = 15,874,026.91/x
  3. Step 3: Cross multiply
    28,926,300.89x = 39,919,446.14 × 15,874,026.91
  4. Step 4: Simplify right side
    28,926,300.89x = 633,682,362,079,486.88
  5. Step 5: Solve for x
    x = 633,682,362,079,486.88/28,926,300.89
  6. Step 6: Final answer
    x = 21,906,788.72

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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.