Home / 11,556,970.86-15,940,940.42-7,432,216.88

Finding the Fourth Proportional to 11,556,970.86, 15,940,940.42 and 7,432,216.88

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Solution

The fourth proportional to 11,556,970.86, 15,940,940.42 and 7,432,216.88 is: 10,251,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556,970.86 : 15,940,940.42 = 7,432,216.88 : x
  2. Step 2: Convert to fraction form
    11,556,970.86/15,940,940.42 = 7,432,216.88/x
  3. Step 3: Cross multiply
    11,556,970.86x = 15,940,940.42 × 7,432,216.88
  4. Step 4: Simplify right side
    11,556,970.86x = 118,476,526,472,598.28
  5. Step 5: Solve for x
    x = 118,476,526,472,598.28/11,556,970.86
  6. Step 6: Final answer
    x = 10,251,520.74

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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.