Home / 28,391,927.82-42,587,886.87-8,974,784.39

Finding the Fourth Proportional to 28,391,927.82, 42,587,886.87 and 8,974,784.39

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Solution

The fourth proportional to 28,391,927.82, 42,587,886.87 and 8,974,784.39 is: 13,462,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,927.82 : 42,587,886.87 = 8,974,784.39 : x
  2. Step 2: Convert to fraction form
    28,391,927.82/42,587,886.87 = 8,974,784.39/x
  3. Step 3: Cross multiply
    28,391,927.82x = 42,587,886.87 × 8,974,784.39
  4. Step 4: Simplify right side
    28,391,927.82x = 382,217,102,071,022.50
  5. Step 5: Solve for x
    x = 382,217,102,071,022.50/28,391,927.82
  6. Step 6: Final answer
    x = 13,462,175.04

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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.