Home / 13,285,576.40-19,922,459.70-5,195,863.40

Finding the Fourth Proportional to 13,285,576.40, 19,922,459.70 and 5,195,863.40

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Solution

The fourth proportional to 13,285,576.40, 19,922,459.70 and 5,195,863.40 is: 7,791,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,576.40 : 19,922,459.70 = 5,195,863.40 : x
  2. Step 2: Convert to fraction form
    13,285,576.40/19,922,459.70 = 5,195,863.40/x
  3. Step 3: Cross multiply
    13,285,576.40x = 19,922,459.70 × 5,195,863.40
  4. Step 4: Simplify right side
    13,285,576.40x = 103,514,379,193,204.98
  5. Step 5: Solve for x
    x = 103,514,379,193,204.98/13,285,576.40
  6. Step 6: Final answer
    x = 7,791,485.75

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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.