Home / 13,027,529.94-17,978,279.49-7,226,122.74

Finding the Fourth Proportional to 13,027,529.94, 17,978,279.49 and 7,226,122.74

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Solution

The fourth proportional to 13,027,529.94, 17,978,279.49 and 7,226,122.74 is: 9,972,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,529.94 : 17,978,279.49 = 7,226,122.74 : x
  2. Step 2: Convert to fraction form
    13,027,529.94/17,978,279.49 = 7,226,122.74/x
  3. Step 3: Cross multiply
    13,027,529.94x = 17,978,279.49 × 7,226,122.74
  4. Step 4: Simplify right side
    13,027,529.94x = 129,913,254,248,764.59
  5. Step 5: Solve for x
    x = 129,913,254,248,764.59/13,027,529.94
  6. Step 6: Final answer
    x = 9,972,209.23

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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.