Home / 18,629,261.89-25,708,382.64-10,369,146.35

Finding the Fourth Proportional to 18,629,261.89, 25,708,382.64 and 10,369,146.35

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Solution

The fourth proportional to 18,629,261.89, 25,708,382.64 and 10,369,146.35 is: 14,309,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629,261.89 : 25,708,382.64 = 10,369,146.35 : x
  2. Step 2: Convert to fraction form
    18,629,261.89/25,708,382.64 = 10,369,146.35/x
  3. Step 3: Cross multiply
    18,629,261.89x = 25,708,382.64 × 10,369,146.35
  4. Step 4: Simplify right side
    18,629,261.89x = 266,573,982,080,230.31
  5. Step 5: Solve for x
    x = 266,573,982,080,230.31/18,629,261.89
  6. Step 6: Final answer
    x = 14,309,422.65

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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.