Home / 18,453,947.04-25,465,953.32-10,193,831.55

Finding the Fourth Proportional to 18,453,947.04, 25,465,953.32 and 10,193,831.55

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Solution

The fourth proportional to 18,453,947.04, 25,465,953.32 and 10,193,831.55 is: 14,067,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,947.04 : 25,465,953.32 = 10,193,831.55 : x
  2. Step 2: Convert to fraction form
    18,453,947.04/25,465,953.32 = 10,193,831.55/x
  3. Step 3: Cross multiply
    18,453,947.04x = 25,465,953.32 × 10,193,831.55
  4. Step 4: Simplify right side
    18,453,947.04x = 259,595,638,404,243.28
  5. Step 5: Solve for x
    x = 259,595,638,404,243.28/18,453,947.04
  6. Step 6: Final answer
    x = 14,067,214.88

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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.