Home / 20,334,612.72-28,061,663.93-11,042,100.04

Finding the Fourth Proportional to 20,334,612.72, 28,061,663.93 and 11,042,100.04

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Solution

The fourth proportional to 20,334,612.72, 28,061,663.93 and 11,042,100.04 is: 15,238,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,612.72 : 28,061,663.93 = 11,042,100.04 : x
  2. Step 2: Convert to fraction form
    20,334,612.72/28,061,663.93 = 11,042,100.04/x
  3. Step 3: Cross multiply
    20,334,612.72x = 28,061,663.93 × 11,042,100.04
  4. Step 4: Simplify right side
    20,334,612.72x = 309,859,700,302,256.06
  5. Step 5: Solve for x
    x = 309,859,700,302,256.06/20,334,612.72
  6. Step 6: Final answer
    x = 15,238,042.87

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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.