Home / 13,011,520.10-19,517,138.93-5,333,453.15

Finding the Fourth Proportional to 13,011,520.10, 19,517,138.93 and 5,333,453.15

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Solution

The fourth proportional to 13,011,520.10, 19,517,138.93 and 5,333,453.15 is: 8,000,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,520.10 : 19,517,138.93 = 5,333,453.15 : x
  2. Step 2: Convert to fraction form
    13,011,520.10/19,517,138.93 = 5,333,453.15/x
  3. Step 3: Cross multiply
    13,011,520.10x = 19,517,138.93 × 5,333,453.15
  4. Step 4: Simplify right side
    13,011,520.10x = 104,093,745,980,943.17
  5. Step 5: Solve for x
    x = 104,093,745,980,943.17/13,011,520.10
  6. Step 6: Final answer
    x = 8,000,121.83

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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.