Home / 13,667,623.78-18,861,714.48-7,556,445.94

Finding the Fourth Proportional to 13,667,623.78, 18,861,714.48 and 7,556,445.94

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Solution

The fourth proportional to 13,667,623.78, 18,861,714.48 and 7,556,445.94 is: 10,428,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,623.78 : 18,861,714.48 = 7,556,445.94 : x
  2. Step 2: Convert to fraction form
    13,667,623.78/18,861,714.48 = 7,556,445.94/x
  3. Step 3: Cross multiply
    13,667,623.78x = 18,861,714.48 × 7,556,445.94
  4. Step 4: Simplify right side
    13,667,623.78x = 142,527,525,803,835.22
  5. Step 5: Solve for x
    x = 142,527,525,803,835.22/13,667,623.78
  6. Step 6: Final answer
    x = 10,428,113.04

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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.