Home / 15,853,768.62-21,878,312.67-8,610,424.62

Finding the Fourth Proportional to 15,853,768.62, 21,878,312.67 and 8,610,424.62

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Solution

The fourth proportional to 15,853,768.62, 21,878,312.67 and 8,610,424.62 is: 11,882,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,768.62 : 21,878,312.67 = 8,610,424.62 : x
  2. Step 2: Convert to fraction form
    15,853,768.62/21,878,312.67 = 8,610,424.62/x
  3. Step 3: Cross multiply
    15,853,768.62x = 21,878,312.67 × 8,610,424.62
  4. Step 4: Simplify right side
    15,853,768.62x = 188,381,562,057,825.94
  5. Step 5: Solve for x
    x = 188,381,562,057,825.94/15,853,768.62
  6. Step 6: Final answer
    x = 11,882,446.79

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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.