Home / 13,508,900.16-18,641,921.22-7,707,576.48

Finding the Fourth Proportional to 13,508,900.16, 18,641,921.22 and 7,707,576.48

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Solution

The fourth proportional to 13,508,900.16, 18,641,921.22 and 7,707,576.48 is: 10,636,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,900.16 : 18,641,921.22 = 7,707,576.48 : x
  2. Step 2: Convert to fraction form
    13,508,900.16/18,641,921.22 = 7,707,576.48/x
  3. Step 3: Cross multiply
    13,508,900.16x = 18,641,921.22 × 7,707,576.48
  4. Step 4: Simplify right side
    13,508,900.16x = 143,684,033,537,284.91
  5. Step 5: Solve for x
    x = 143,684,033,537,284.91/13,508,900.16
  6. Step 6: Final answer
    x = 10,636,249.57

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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.