Home / 21,493,359.54-29,653,046.70-12,195,544.08

Finding the Fourth Proportional to 21,493,359.54, 29,653,046.70 and 12,195,544.08

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Solution

The fourth proportional to 21,493,359.54, 29,653,046.70 and 12,195,544.08 is: 16,825,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,359.54 : 29,653,046.70 = 12,195,544.08 : x
  2. Step 2: Convert to fraction form
    21,493,359.54/29,653,046.70 = 12,195,544.08/x
  3. Step 3: Cross multiply
    21,493,359.54x = 29,653,046.70 × 12,195,544.08
  4. Step 4: Simplify right side
    21,493,359.54x = 361,635,038,136,148.50
  5. Step 5: Solve for x
    x = 361,635,038,136,148.50/21,493,359.54
  6. Step 6: Final answer
    x = 16,825,431.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.