Home / 19,428,575.25-26,786,511.48-15,931,027.65

Finding the Fourth Proportional to 19,428,575.25, 26,786,511.48 and 15,931,027.65

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Solution

The fourth proportional to 19,428,575.25, 26,786,511.48 and 15,931,027.65 is: 21,964,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428,575.25 : 26,786,511.48 = 15,931,027.65 : x
  2. Step 2: Convert to fraction form
    19,428,575.25/26,786,511.48 = 15,931,027.65/x
  3. Step 3: Cross multiply
    19,428,575.25x = 26,786,511.48 × 15,931,027.65
  4. Step 4: Simplify right side
    19,428,575.25x = 426,736,655,034,922.44
  5. Step 5: Solve for x
    x = 426,736,655,034,922.44/19,428,575.25
  6. Step 6: Final answer
    x = 21,964,382.34

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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.