Home / 13,231,877.80-19,847,816.70-4,256,429.80

Finding the Fourth Proportional to 13,231,877.80, 19,847,816.70 and 4,256,429.80

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Solution

The fourth proportional to 13,231,877.80, 19,847,816.70 and 4,256,429.80 is: 6,384,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,877.80 : 19,847,816.70 = 4,256,429.80 : x
  2. Step 2: Convert to fraction form
    13,231,877.80/19,847,816.70 = 4,256,429.80/x
  3. Step 3: Cross multiply
    13,231,877.80x = 19,847,816.70 × 4,256,429.80
  4. Step 4: Simplify right side
    13,231,877.80x = 84,480,838,466,817.66
  5. Step 5: Solve for x
    x = 84,480,838,466,817.66/13,231,877.80
  6. Step 6: Final answer
    x = 6,384,644.70

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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.