Home / 9,990,234.86-13,786,523.94-5,406,556.23

Finding the Fourth Proportional to 9,990,234.86, 13,786,523.94 and 5,406,556.23

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Solution

The fourth proportional to 9,990,234.86, 13,786,523.94 and 5,406,556.23 is: 7,461,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,234.86 : 13,786,523.94 = 5,406,556.23 : x
  2. Step 2: Convert to fraction form
    9,990,234.86/13,786,523.94 = 5,406,556.23/x
  3. Step 3: Cross multiply
    9,990,234.86x = 13,786,523.94 × 5,406,556.23
  4. Step 4: Simplify right side
    9,990,234.86x = 74,537,616,897,851.16
  5. Step 5: Solve for x
    x = 74,537,616,897,851.16/9,990,234.86
  6. Step 6: Final answer
    x = 7,461,047.51

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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.