Home / 31,805,118.15-47,701,998.06-8,461,995.14

Finding the Fourth Proportional to 31,805,118.15, 47,701,998.06 and 8,461,995.14

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Solution

The fourth proportional to 31,805,118.15, 47,701,998.06 and 8,461,995.14 is: 12,691,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805,118.15 : 47,701,998.06 = 8,461,995.14 : x
  2. Step 2: Convert to fraction form
    31,805,118.15/47,701,998.06 = 8,461,995.14/x
  3. Step 3: Cross multiply
    31,805,118.15x = 47,701,998.06 × 8,461,995.14
  4. Step 4: Simplify right side
    31,805,118.15x = 403,654,075,839,531.94
  5. Step 5: Solve for x
    x = 403,654,075,839,531.94/31,805,118.15
  6. Step 6: Final answer
    x = 12,691,481.73

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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.