Home / 49,672,940.10-74,509,410.15-13,286,946.30

Finding the Fourth Proportional to 49,672,940.10, 74,509,410.15 and 13,286,946.30

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Solution

The fourth proportional to 49,672,940.10, 74,509,410.15 and 13,286,946.30 is: 19,930,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672,940.10 : 74,509,410.15 = 13,286,946.30 : x
  2. Step 2: Convert to fraction form
    49,672,940.10/74,509,410.15 = 13,286,946.30/x
  3. Step 3: Cross multiply
    49,672,940.10x = 74,509,410.15 × 13,286,946.30
  4. Step 4: Simplify right side
    49,672,940.10x = 990,002,531,507,725.12
  5. Step 5: Solve for x
    x = 990,002,531,507,725.12/49,672,940.10
  6. Step 6: Final answer
    x = 19,930,419.45

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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.