Home / 20,694,278.34-28,558,985.13-11,526,925.14

Finding the Fourth Proportional to 20,694,278.34, 28,558,985.13 and 11,526,925.14

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Solution

The fourth proportional to 20,694,278.34, 28,558,985.13 and 11,526,925.14 is: 15,907,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,278.34 : 28,558,985.13 = 11,526,925.14 : x
  2. Step 2: Convert to fraction form
    20,694,278.34/28,558,985.13 = 11,526,925.14/x
  3. Step 3: Cross multiply
    20,694,278.34x = 28,558,985.13 × 11,526,925.14
  4. Step 4: Simplify right side
    20,694,278.34x = 329,197,283,667,883.19
  5. Step 5: Solve for x
    x = 329,197,283,667,883.19/20,694,278.34
  6. Step 6: Final answer
    x = 15,907,647.43

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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.