Home / 9,990,231.95-13,786,519.92-5,406,553.33

Finding the Fourth Proportional to 9,990,231.95, 13,786,519.92 and 5,406,553.33

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Solution

The fourth proportional to 9,990,231.95, 13,786,519.92 and 5,406,553.33 is: 7,461,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,231.95 : 13,786,519.92 = 5,406,553.33 : x
  2. Step 2: Convert to fraction form
    9,990,231.95/13,786,519.92 = 5,406,553.33/x
  3. Step 3: Cross multiply
    9,990,231.95x = 13,786,519.92 × 5,406,553.33
  4. Step 4: Simplify right side
    9,990,231.95x = 74,537,555,168,395.61
  5. Step 5: Solve for x
    x = 74,537,555,168,395.61/9,990,231.95
  6. Step 6: Final answer
    x = 7,461,043.50

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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.