Home / 8,999,235.29-12,418,936.65-5,079,816.44

Finding the Fourth Proportional to 8,999,235.29, 12,418,936.65 and 5,079,816.44

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Solution

The fourth proportional to 8,999,235.29, 12,418,936.65 and 5,079,816.44 is: 7,010,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,235.29 : 12,418,936.65 = 5,079,816.44 : x
  2. Step 2: Convert to fraction form
    8,999,235.29/12,418,936.65 = 5,079,816.44/x
  3. Step 3: Cross multiply
    8,999,235.29x = 12,418,936.65 × 5,079,816.44
  4. Step 4: Simplify right side
    8,999,235.29x = 63,085,918,499,893.84
  5. Step 5: Solve for x
    x = 63,085,918,499,893.84/8,999,235.29
  6. Step 6: Final answer
    x = 7,010,142.14

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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.