Home / 11,285,790.52-15,580,846.88-7,429,521.76

Finding the Fourth Proportional to 11,285,790.52, 15,580,846.88 and 7,429,521.76

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Solution

The fourth proportional to 11,285,790.52, 15,580,846.88 and 7,429,521.76 is: 10,256,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,790.52 : 15,580,846.88 = 7,429,521.76 : x
  2. Step 2: Convert to fraction form
    11,285,790.52/15,580,846.88 = 7,429,521.76/x
  3. Step 3: Cross multiply
    11,285,790.52x = 15,580,846.88 × 7,429,521.76
  4. Step 4: Simplify right side
    11,285,790.52x = 115,758,240,934,188.11
  5. Step 5: Solve for x
    x = 115,758,240,934,188.11/11,285,790.52
  6. Step 6: Final answer
    x = 10,256,990.04

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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.