Home / 7,169,856.84-9,894,277.82-3,906,698.40

Finding the Fourth Proportional to 7,169,856.84, 9,894,277.82 and 3,906,698.40

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Solution

The fourth proportional to 7,169,856.84, 9,894,277.82 and 3,906,698.40 is: 5,391,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,856.84 : 9,894,277.82 = 3,906,698.40 : x
  2. Step 2: Convert to fraction form
    7,169,856.84/9,894,277.82 = 3,906,698.40/x
  3. Step 3: Cross multiply
    7,169,856.84x = 9,894,277.82 × 3,906,698.40
  4. Step 4: Simplify right side
    7,169,856.84x = 38,653,959,328,549.48
  5. Step 5: Solve for x
    x = 38,653,959,328,549.48/7,169,856.84
  6. Step 6: Final answer
    x = 5,391,175.89

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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.