Home / 18,278,054.40-25,224,719.04-10,129,117.44

Finding the Fourth Proportional to 18,278,054.40, 25,224,719.04 and 10,129,117.44

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Solution

The fourth proportional to 18,278,054.40, 25,224,719.04 and 10,129,117.44 is: 13,978,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278,054.40 : 25,224,719.04 = 10,129,117.44 : x
  2. Step 2: Convert to fraction form
    18,278,054.40/25,224,719.04 = 10,129,117.44/x
  3. Step 3: Cross multiply
    18,278,054.40x = 25,224,719.04 × 10,129,117.44
  4. Step 4: Simplify right side
    18,278,054.40x = 255,504,141,547,164.03
  5. Step 5: Solve for x
    x = 255,504,141,547,164.03/18,278,054.40
  6. Step 6: Final answer
    x = 13,978,738.43

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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.