Home / 7,012,559.92-9,677,483.76-3,872,813.80

Finding the Fourth Proportional to 7,012,559.92, 9,677,483.76 and 3,872,813.80

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Solution

The fourth proportional to 7,012,559.92, 9,677,483.76 and 3,872,813.80 is: 5,344,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012,559.92 : 9,677,483.76 = 3,872,813.80 : x
  2. Step 2: Convert to fraction form
    7,012,559.92/9,677,483.76 = 3,872,813.80/x
  3. Step 3: Cross multiply
    7,012,559.92x = 9,677,483.76 × 3,872,813.80
  4. Step 4: Simplify right side
    7,012,559.92x = 37,479,092,655,003.88
  5. Step 5: Solve for x
    x = 37,479,092,655,003.88/7,012,559.92
  6. Step 6: Final answer
    x = 5,344,566.48

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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.