Home / 18,648,134.06-25,735,218.66-10,388,186.35

Finding the Fourth Proportional to 18,648,134.06, 25,735,218.66 and 10,388,186.35

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Solution

The fourth proportional to 18,648,134.06, 25,735,218.66 and 10,388,186.35 is: 14,336,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648,134.06 : 25,735,218.66 = 10,388,186.35 : x
  2. Step 2: Convert to fraction form
    18,648,134.06/25,735,218.66 = 10,388,186.35/x
  3. Step 3: Cross multiply
    18,648,134.06x = 25,735,218.66 × 10,388,186.35
  4. Step 4: Simplify right side
    18,648,134.06x = 267,342,247,133,739.25
  5. Step 5: Solve for x
    x = 267,342,247,133,739.25/18,648,134.06
  6. Step 6: Final answer
    x = 14,336,139.28

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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.