Home / 7,144,725.92-9,859,680.96-3,881,514.56

Finding the Fourth Proportional to 7,144,725.92, 9,859,680.96 and 3,881,514.56

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Solution

The fourth proportional to 7,144,725.92, 9,859,680.96 and 3,881,514.56 is: 5,356,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,725.92 : 9,859,680.96 = 3,881,514.56 : x
  2. Step 2: Convert to fraction form
    7,144,725.92/9,859,680.96 = 3,881,514.56/x
  3. Step 3: Cross multiply
    7,144,725.92x = 9,859,680.96 × 3,881,514.56
  4. Step 4: Simplify right side
    7,144,725.92x = 38,270,495,203,194.78
  5. Step 5: Solve for x
    x = 38,270,495,203,194.78/7,144,725.92
  6. Step 6: Final answer
    x = 5,356,467.92

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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.