Home / 13,667,623.52-18,861,714.12-7,556,445.68

Finding the Fourth Proportional to 13,667,623.52, 18,861,714.12 and 7,556,445.68

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Solution

The fourth proportional to 13,667,623.52, 18,861,714.12 and 7,556,445.68 is: 10,428,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,623.52 : 18,861,714.12 = 7,556,445.68 : x
  2. Step 2: Convert to fraction form
    13,667,623.52/18,861,714.12 = 7,556,445.68/x
  3. Step 3: Cross multiply
    13,667,623.52x = 18,861,714.12 × 7,556,445.68
  4. Step 4: Simplify right side
    13,667,623.52x = 142,527,518,179,469
  5. Step 5: Solve for x
    x = 142,527,518,179,469/13,667,623.52
  6. Step 6: Final answer
    x = 10,428,112.68

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1.5x scale

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.