Home / 14,172,080.86-19,551,311.47-8,665,685.07

Finding the Fourth Proportional to 14,172,080.86, 19,551,311.47 and 8,665,685.07

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Solution

The fourth proportional to 14,172,080.86, 19,551,311.47 and 8,665,685.07 is: 11,954,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172,080.86 : 19,551,311.47 = 8,665,685.07 : x
  2. Step 2: Convert to fraction form
    14,172,080.86/19,551,311.47 = 8,665,685.07/x
  3. Step 3: Cross multiply
    14,172,080.86x = 19,551,311.47 × 8,665,685.07
  4. Step 4: Simplify right side
    14,172,080.86x = 169,425,507,793,268.97
  5. Step 5: Solve for x
    x = 169,425,507,793,268.97/14,172,080.86
  6. Step 6: Final answer
    x = 11,954,878.71

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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.