Home / 18,263,760.45-25,202,696.47-10,421,435.13

Finding the Fourth Proportional to 18,263,760.45, 25,202,696.47 and 10,421,435.13

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Solution

The fourth proportional to 18,263,760.45, 25,202,696.47 and 10,421,435.13 is: 14,380,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,760.45 : 25,202,696.47 = 10,421,435.13 : x
  2. Step 2: Convert to fraction form
    18,263,760.45/25,202,696.47 = 10,421,435.13/x
  3. Step 3: Cross multiply
    18,263,760.45x = 25,202,696.47 × 10,421,435.13
  4. Step 4: Simplify right side
    18,263,760.45x = 262,648,266,363,185
  5. Step 5: Solve for x
    x = 262,648,266,363,185/18,263,760.45
  6. Step 6: Final answer
    x = 14,380,842.71

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1.5x scale

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.