Home / 13,186,018.80-19,763,281.80-5,509,648.80

Finding the Fourth Proportional to 13,186,018.80, 19,763,281.80 and 5,509,648.80

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Solution

The fourth proportional to 13,186,018.80, 19,763,281.80 and 5,509,648.80 is: 8,257,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,018.80 : 19,763,281.80 = 5,509,648.80 : x
  2. Step 2: Convert to fraction form
    13,186,018.80/19,763,281.80 = 5,509,648.80/x
  3. Step 3: Cross multiply
    13,186,018.80x = 19,763,281.80 × 5,509,648.80
  4. Step 4: Simplify right side
    13,186,018.80x = 108,888,741,853,431.84
  5. Step 5: Solve for x
    x = 108,888,741,853,431.84/13,186,018.80
  6. Step 6: Final answer
    x = 8,257,893.72

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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.