Home / 15,739,777.70-21,720,319.78-8,770,095.14

Finding the Fourth Proportional to 15,739,777.70, 21,720,319.78 and 8,770,095.14

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Solution

The fourth proportional to 15,739,777.70, 21,720,319.78 and 8,770,095.14 is: 12,102,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,777.70 : 21,720,319.78 = 8,770,095.14 : x
  2. Step 2: Convert to fraction form
    15,739,777.70/21,720,319.78 = 8,770,095.14/x
  3. Step 3: Cross multiply
    15,739,777.70x = 21,720,319.78 × 8,770,095.14
  4. Step 4: Simplify right side
    15,739,777.70x = 190,489,270,941,823.91
  5. Step 5: Solve for x
    x = 190,489,270,941,823.91/15,739,777.70
  6. Step 6: Final answer
    x = 12,102,411.77

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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.