Home / 10,703,072.80-16,032,836.40-6,647,111.20

Finding the Fourth Proportional to 10,703,072.80, 16,032,836.40 and 6,647,111.20

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Solution

The fourth proportional to 10,703,072.80, 16,032,836.40 and 6,647,111.20 is: 9,957,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703,072.80 : 16,032,836.40 = 6,647,111.20 : x
  2. Step 2: Convert to fraction form
    10,703,072.80/16,032,836.40 = 6,647,111.20/x
  3. Step 3: Cross multiply
    10,703,072.80x = 16,032,836.40 × 6,647,111.20
  4. Step 4: Simplify right side
    10,703,072.80x = 106,572,046,402,207.69
  5. Step 5: Solve for x
    x = 106,572,046,402,207.69/10,703,072.80
  6. Step 6: Final answer
    x = 9,957,144.87

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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.