Home / 9,990,231.67-13,786,519.54-5,406,553.05

Finding the Fourth Proportional to 9,990,231.67, 13,786,519.54 and 5,406,553.05

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Solution

The fourth proportional to 9,990,231.67, 13,786,519.54 and 5,406,553.05 is: 7,461,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,231.67 : 13,786,519.54 = 5,406,553.05 : x
  2. Step 2: Convert to fraction form
    9,990,231.67/13,786,519.54 = 5,406,553.05/x
  3. Step 3: Cross multiply
    9,990,231.67x = 13,786,519.54 × 5,406,553.05
  4. Step 4: Simplify right side
    9,990,231.67x = 74,537,549,202,655.77
  5. Step 5: Solve for x
    x = 74,537,549,202,655.77/9,990,231.67
  6. Step 6: Final answer
    x = 7,461,043.11

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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.