Home / 13,468,644.60-20,202,966.90-12,724,627.20

Finding the Fourth Proportional to 13,468,644.60, 20,202,966.90 and 12,724,627.20

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Solution

The fourth proportional to 13,468,644.60, 20,202,966.90 and 12,724,627.20 is: 19,086,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,644.60 : 20,202,966.90 = 12,724,627.20 : x
  2. Step 2: Convert to fraction form
    13,468,644.60/20,202,966.90 = 12,724,627.20/x
  3. Step 3: Cross multiply
    13,468,644.60x = 20,202,966.90 × 12,724,627.20
  4. Step 4: Simplify right side
    13,468,644.60x = 257,075,222,136,439.66
  5. Step 5: Solve for x
    x = 257,075,222,136,439.66/13,468,644.60
  6. Step 6: Final answer
    x = 19,086,940.80

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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.