Home / 13,414,870.80-20,120,491.80-5,333,792.40

Finding the Fourth Proportional to 13,414,870.80, 20,120,491.80 and 5,333,792.40

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Solution

The fourth proportional to 13,414,870.80, 20,120,491.80 and 5,333,792.40 is: 7,999,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414,870.80 : 20,120,491.80 = 5,333,792.40 : x
  2. Step 2: Convert to fraction form
    13,414,870.80/20,120,491.80 = 5,333,792.40/x
  3. Step 3: Cross multiply
    13,414,870.80x = 20,120,491.80 × 5,333,792.40
  4. Step 4: Simplify right side
    13,414,870.80x = 107,318,526,247,102.33
  5. Step 5: Solve for x
    x = 107,318,526,247,102.33/13,414,870.80
  6. Step 6: Final answer
    x = 7,999,967.19

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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.