Home / 12,579,760.68-18,865,992.06-4,901,693

Finding the Fourth Proportional to 12,579,760.68, 18,865,992.06 and 4,901,693

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Solution

The fourth proportional to 12,579,760.68, 18,865,992.06 and 4,901,693 is: 7,351,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579,760.68 : 18,865,992.06 = 4,901,693 : x
  2. Step 2: Convert to fraction form
    12,579,760.68/18,865,992.06 = 4,901,693/x
  3. Step 3: Cross multiply
    12,579,760.68x = 18,865,992.06 × 4,901,693
  4. Step 4: Simplify right side
    12,579,760.68x = 92,475,301,218,557.58
  5. Step 5: Solve for x
    x = 92,475,301,218,557.58/12,579,760.68
  6. Step 6: Final answer
    x = 7,351,117.69

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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.