Home / 12,718,800.59-19,077,749.76-3,620,946.20

Finding the Fourth Proportional to 12,718,800.59, 19,077,749.76 and 3,620,946.20

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Solution

The fourth proportional to 12,718,800.59, 19,077,749.76 and 3,620,946.20 is: 5,431,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,800.59 : 19,077,749.76 = 3,620,946.20 : x
  2. Step 2: Convert to fraction form
    12,718,800.59/19,077,749.76 = 3,620,946.20/x
  3. Step 3: Cross multiply
    12,718,800.59x = 19,077,749.76 × 3,620,946.20
  4. Step 4: Simplify right side
    12,718,800.59x = 69,079,505,498,022.92
  5. Step 5: Solve for x
    x = 69,079,505,498,022.92/12,718,800.59
  6. Step 6: Final answer
    x = 5,431,290.87

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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.