Home / 9,879,990.88-14,817,912.72-2,786,620

Finding the Fourth Proportional to 9,879,990.88, 14,817,912.72 and 2,786,620

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Solution

The fourth proportional to 9,879,990.88, 14,817,912.72 and 2,786,620 is: 4,179,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,990.88 : 14,817,912.72 = 2,786,620 : x
  2. Step 2: Convert to fraction form
    9,879,990.88/14,817,912.72 = 2,786,620/x
  3. Step 3: Cross multiply
    9,879,990.88x = 14,817,912.72 × 2,786,620
  4. Step 4: Simplify right side
    9,879,990.88x = 41,291,891,943,806.40
  5. Step 5: Solve for x
    x = 41,291,891,943,806.40/9,879,990.88
  6. Step 6: Final answer
    x = 4,179,345.15

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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.