Home / 13,804,966.80-20,707,255.80-6,231,920.40

Finding the Fourth Proportional to 13,804,966.80, 20,707,255.80 and 6,231,920.40

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Solution

The fourth proportional to 13,804,966.80, 20,707,255.80 and 6,231,920.40 is: 9,347,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804,966.80 : 20,707,255.80 = 6,231,920.40 : x
  2. Step 2: Convert to fraction form
    13,804,966.80/20,707,255.80 = 6,231,920.40/x
  3. Step 3: Cross multiply
    13,804,966.80x = 20,707,255.80 × 6,231,920.40
  4. Step 4: Simplify right side
    13,804,966.80x = 129,045,969,848,038.33
  5. Step 5: Solve for x
    x = 129,045,969,848,038.33/13,804,966.80
  6. Step 6: Final answer
    x = 9,347,792.84

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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.