Home / 9,305,682.72-12,851,632.50-8,291,284.08

Finding the Fourth Proportional to 9,305,682.72, 12,851,632.50 and 8,291,284.08

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Solution

The fourth proportional to 9,305,682.72, 12,851,632.50 and 8,291,284.08 is: 11,450,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305,682.72 : 12,851,632.50 = 8,291,284.08 : x
  2. Step 2: Convert to fraction form
    9,305,682.72/12,851,632.50 = 8,291,284.08/x
  3. Step 3: Cross multiply
    9,305,682.72x = 12,851,632.50 × 8,291,284.08
  4. Step 4: Simplify right side
    9,305,682.72x = 106,556,535,949,260.59
  5. Step 5: Solve for x
    x = 106,556,535,949,260.59/9,305,682.72
  6. Step 6: Final answer
    x = 11,450,695.15

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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.