Home / 21,802,274.01-30,087,819.07-12,511,543.32

Finding the Fourth Proportional to 21,802,274.01, 30,087,819.07 and 12,511,543.32

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Solution

The fourth proportional to 21,802,274.01, 30,087,819.07 and 12,511,543.32 is: 17,266,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,274.01 : 30,087,819.07 = 12,511,543.32 : x
  2. Step 2: Convert to fraction form
    21,802,274.01/30,087,819.07 = 12,511,543.32/x
  3. Step 3: Cross multiply
    21,802,274.01x = 30,087,819.07 × 12,511,543.32
  4. Step 4: Simplify right side
    21,802,274.01x = 376,445,051,667,348.25
  5. Step 5: Solve for x
    x = 376,445,051,667,348.25/21,802,274.01
  6. Step 6: Final answer
    x = 17,266,320.55

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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.