Home / 9,990,232.42-13,786,520.57-5,406,553.79

Finding the Fourth Proportional to 9,990,232.42, 13,786,520.57 and 5,406,553.79

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Solution

The fourth proportional to 9,990,232.42, 13,786,520.57 and 5,406,553.79 is: 7,461,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,232.42 : 13,786,520.57 = 5,406,553.79 : x
  2. Step 2: Convert to fraction form
    9,990,232.42/13,786,520.57 = 5,406,553.79/x
  3. Step 3: Cross multiply
    9,990,232.42x = 13,786,520.57 × 5,406,553.79
  4. Step 4: Simplify right side
    9,990,232.42x = 74,537,565,066,354.58
  5. Step 5: Solve for x
    x = 74,537,565,066,354.58/9,990,232.42
  6. Step 6: Final answer
    x = 7,461,044.14

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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.