Home / 19,724,085.34-27,219,818.73-11,022,278.38

Finding the Fourth Proportional to 19,724,085.34, 27,219,818.73 and 11,022,278.38

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Solution

The fourth proportional to 19,724,085.34, 27,219,818.73 and 11,022,278.38 is: 15,211,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724,085.34 : 27,219,818.73 = 11,022,278.38 : x
  2. Step 2: Convert to fraction form
    19,724,085.34/27,219,818.73 = 11,022,278.38/x
  3. Step 3: Cross multiply
    19,724,085.34x = 27,219,818.73 × 11,022,278.38
  4. Step 4: Simplify right side
    19,724,085.34x = 300,024,419,495,198.06
  5. Step 5: Solve for x
    x = 300,024,419,495,198.06/19,724,085.34
  6. Step 6: Final answer
    x = 15,211,068.82

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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.