Home / 28,391,928.82-42,587,888.37-8,974,785.39

Finding the Fourth Proportional to 28,391,928.82, 42,587,888.37 and 8,974,785.39

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Solution

The fourth proportional to 28,391,928.82, 42,587,888.37 and 8,974,785.39 is: 13,462,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,928.82 : 42,587,888.37 = 8,974,785.39 : x
  2. Step 2: Convert to fraction form
    28,391,928.82/42,587,888.37 = 8,974,785.39/x
  3. Step 3: Cross multiply
    28,391,928.82x = 42,587,888.37 × 8,974,785.39
  4. Step 4: Simplify right side
    28,391,928.82x = 382,217,158,334,026.94
  5. Step 5: Solve for x
    x = 382,217,158,334,026.94/28,391,928.82
  6. Step 6: Final answer
    x = 13,462,176.55

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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.