Home / 7,169,708.40-9,894,072.51-3,906,550.14

Finding the Fourth Proportional to 7,169,708.40, 9,894,072.51 and 3,906,550.14

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Solution

The fourth proportional to 7,169,708.40, 9,894,072.51 and 3,906,550.14 is: 5,390,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,708.40 : 9,894,072.51 = 3,906,550.14 : x
  2. Step 2: Convert to fraction form
    7,169,708.40/9,894,072.51 = 3,906,550.14/x
  3. Step 3: Cross multiply
    7,169,708.40x = 9,894,072.51 × 3,906,550.14
  4. Step 4: Simplify right side
    7,169,708.40x = 38,651,690,349,110.65
  5. Step 5: Solve for x
    x = 38,651,690,349,110.65/7,169,708.40
  6. Step 6: Final answer
    x = 5,390,971.04

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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.