Home / 14,517,749.39-21,776,620.18-5,420,556.40

Finding the Fourth Proportional to 14,517,749.39, 21,776,620.18 and 5,420,556.40

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Solution

The fourth proportional to 14,517,749.39, 21,776,620.18 and 5,420,556.40 is: 8,130,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517,749.39 : 21,776,620.18 = 5,420,556.40 : x
  2. Step 2: Convert to fraction form
    14,517,749.39/21,776,620.18 = 5,420,556.40/x
  3. Step 3: Cross multiply
    14,517,749.39x = 21,776,620.18 × 5,420,556.40
  4. Step 4: Simplify right side
    14,517,749.39x = 118,041,397,870,069.92
  5. Step 5: Solve for x
    x = 118,041,397,870,069.92/14,517,749.39
  6. Step 6: Final answer
    x = 8,130,833.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.