Home / 14,629,280.20-21,881,712.30-13,123,846.60

Finding the Fourth Proportional to 14,629,280.20, 21,881,712.30 and 13,123,846.60

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Solution

The fourth proportional to 14,629,280.20, 21,881,712.30 and 13,123,846.60 is: 19,629,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629,280.20 : 21,881,712.30 = 13,123,846.60 : x
  2. Step 2: Convert to fraction form
    14,629,280.20/21,881,712.30 = 13,123,846.60/x
  3. Step 3: Cross multiply
    14,629,280.20x = 21,881,712.30 × 13,123,846.60
  4. Step 4: Simplify right side
    14,629,280.20x = 287,172,235,570,533.19
  5. Step 5: Solve for x
    x = 287,172,235,570,533.19/14,629,280.20
  6. Step 6: Final answer
    x = 19,629,963.45

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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.