Home / 11,886,436.40-17,829,654.60-10,185,825.20

Finding the Fourth Proportional to 11,886,436.40, 17,829,654.60 and 10,185,825.20

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Solution

The fourth proportional to 11,886,436.40, 17,829,654.60 and 10,185,825.20 is: 15,278,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886,436.40 : 17,829,654.60 = 10,185,825.20 : x
  2. Step 2: Convert to fraction form
    11,886,436.40/17,829,654.60 = 10,185,825.20/x
  3. Step 3: Cross multiply
    11,886,436.40x = 17,829,654.60 × 10,185,825.20
  4. Step 4: Simplify right side
    11,886,436.40x = 181,609,745,131,975.94
  5. Step 5: Solve for x
    x = 181,609,745,131,975.94/11,886,436.40
  6. Step 6: Final answer
    x = 15,278,737.80

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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.