Home / 27,553,081.61-38,023,241.59-15,163,175

Finding the Fourth Proportional to 27,553,081.61, 38,023,241.59 and 15,163,175

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Solution

The fourth proportional to 27,553,081.61, 38,023,241.59 and 15,163,175 is: 20,925,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553,081.61 : 38,023,241.59 = 15,163,175 : x
  2. Step 2: Convert to fraction form
    27,553,081.61/38,023,241.59 = 15,163,175/x
  3. Step 3: Cross multiply
    27,553,081.61x = 38,023,241.59 × 15,163,175
  4. Step 4: Simplify right side
    27,553,081.61x = 576,553,066,296,448.25
  5. Step 5: Solve for x
    x = 576,553,066,296,448.25/27,553,081.61
  6. Step 6: Final answer
    x = 20,925,175.43

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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.