Home / 8,139,538.36-12,193,345.26-4,720,642.54

Finding the Fourth Proportional to 8,139,538.36, 12,193,345.26 and 4,720,642.54

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Solution

The fourth proportional to 8,139,538.36, 12,193,345.26 and 4,720,642.54 is: 7,071,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,538.36 : 12,193,345.26 = 4,720,642.54 : x
  2. Step 2: Convert to fraction form
    8,139,538.36/12,193,345.26 = 4,720,642.54/x
  3. Step 3: Cross multiply
    8,139,538.36x = 12,193,345.26 × 4,720,642.54
  4. Step 4: Simplify right side
    8,139,538.36x = 57,560,424,339,263.36
  5. Step 5: Solve for x
    x = 57,560,424,339,263.36/8,139,538.36
  6. Step 6: Final answer
    x = 7,071,706.26

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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.