Home / 8,431,992.23-12,646,095.37-3,878,667.95

Finding the Fourth Proportional to 8,431,992.23, 12,646,095.37 and 3,878,667.95

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Solution

The fourth proportional to 8,431,992.23, 12,646,095.37 and 3,878,667.95 is: 5,817,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,992.23 : 12,646,095.37 = 3,878,667.95 : x
  2. Step 2: Convert to fraction form
    8,431,992.23/12,646,095.37 = 3,878,667.95/x
  3. Step 3: Cross multiply
    8,431,992.23x = 12,646,095.37 × 3,878,667.95
  4. Step 4: Simplify right side
    8,431,992.23x = 49,050,004,731,335.24
  5. Step 5: Solve for x
    x = 49,050,004,731,335.24/8,431,992.23
  6. Step 6: Final answer
    x = 5,817,131.16

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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.