Home / 28,344,175.86-39,116,207.97-15,955,068.72

Finding the Fourth Proportional to 28,344,175.86, 39,116,207.97 and 15,955,068.72

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Solution

The fourth proportional to 28,344,175.86, 39,116,207.97 and 15,955,068.72 is: 22,018,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344,175.86 : 39,116,207.97 = 15,955,068.72 : x
  2. Step 2: Convert to fraction form
    28,344,175.86/39,116,207.97 = 15,955,068.72/x
  3. Step 3: Cross multiply
    28,344,175.86x = 39,116,207.97 × 15,955,068.72
  4. Step 4: Simplify right side
    28,344,175.86x = 624,101,786,227,161.75
  5. Step 5: Solve for x
    x = 624,101,786,227,161.75/28,344,175.86
  6. Step 6: Final answer
    x = 22,018,695.81

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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.