Home / 14,367,515.33-19,827,633.80-8,172,403.20

Finding the Fourth Proportional to 14,367,515.33, 19,827,633.80 and 8,172,403.20

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Solution

The fourth proportional to 14,367,515.33, 19,827,633.80 and 8,172,403.20 is: 11,278,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,515.33 : 19,827,633.80 = 8,172,403.20 : x
  2. Step 2: Convert to fraction form
    14,367,515.33/19,827,633.80 = 8,172,403.20/x
  3. Step 3: Cross multiply
    14,367,515.33x = 19,827,633.80 × 8,172,403.20
  4. Step 4: Simplify right side
    14,367,515.33x = 162,039,417,935,979.16
  5. Step 5: Solve for x
    x = 162,039,417,935,979.16/14,367,515.33
  6. Step 6: Final answer
    x = 11,278,179.57

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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.