Home / 13,644,218.14-18,828,923.54-7,449,264.65

Finding the Fourth Proportional to 13,644,218.14, 18,828,923.54 and 7,449,264.65

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Solution

The fourth proportional to 13,644,218.14, 18,828,923.54 and 7,449,264.65 is: 10,279,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,218.14 : 18,828,923.54 = 7,449,264.65 : x
  2. Step 2: Convert to fraction form
    13,644,218.14/18,828,923.54 = 7,449,264.65/x
  3. Step 3: Cross multiply
    13,644,218.14x = 18,828,923.54 × 7,449,264.65
  4. Step 4: Simplify right side
    13,644,218.14x = 140,261,634,420,618.66
  5. Step 5: Solve for x
    x = 140,261,634,420,618.66/13,644,218.14
  6. Step 6: Final answer
    x = 10,279,931.98

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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.