Home / 11,477,932.32-15,841,268.64-8,720,081.58

Finding the Fourth Proportional to 11,477,932.32, 15,841,268.64 and 8,720,081.58

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Solution

The fourth proportional to 11,477,932.32, 15,841,268.64 and 8,720,081.58 is: 12,035,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477,932.32 : 15,841,268.64 = 8,720,081.58 : x
  2. Step 2: Convert to fraction form
    11,477,932.32/15,841,268.64 = 8,720,081.58/x
  3. Step 3: Cross multiply
    11,477,932.32x = 15,841,268.64 × 8,720,081.58
  4. Step 4: Simplify right side
    11,477,932.32x = 138,137,154,866,314.14
  5. Step 5: Solve for x
    x = 138,137,154,866,314.14/11,477,932.32
  6. Step 6: Final answer
    x = 12,035,020.86

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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.