Home / 16,721,405.80-25,105,436.70-10,693,450.60

Finding the Fourth Proportional to 16,721,405.80, 25,105,436.70 and 10,693,450.60

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Solution

The fourth proportional to 16,721,405.80, 25,105,436.70 and 10,693,450.60 is: 16,055,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,405.80 : 25,105,436.70 = 10,693,450.60 : x
  2. Step 2: Convert to fraction form
    16,721,405.80/25,105,436.70 = 10,693,450.60/x
  3. Step 3: Cross multiply
    16,721,405.80x = 25,105,436.70 × 10,693,450.60
  4. Step 4: Simplify right side
    16,721,405.80x = 268,463,747,142,877
  5. Step 5: Solve for x
    x = 268,463,747,142,877/16,721,405.80
  6. Step 6: Final answer
    x = 16,055,094.31

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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.