Home / 12,745,270.64-19,118,040.03-10,202,648.96

Finding the Fourth Proportional to 12,745,270.64, 19,118,040.03 and 10,202,648.96

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Solution

The fourth proportional to 12,745,270.64, 19,118,040.03 and 10,202,648.96 is: 15,304,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,270.64 : 19,118,040.03 = 10,202,648.96 : x
  2. Step 2: Convert to fraction form
    12,745,270.64/19,118,040.03 = 10,202,648.96/x
  3. Step 3: Cross multiply
    12,745,270.64x = 19,118,040.03 × 10,202,648.96
  4. Step 4: Simplify right side
    12,745,270.64x = 195,054,651,277,113
  5. Step 5: Solve for x
    x = 195,054,651,277,113/12,745,270.64
  6. Step 6: Final answer
    x = 15,304,080.76

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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.