Home / 11,728,930.16-16,185,902.28-7,145,251.40

Finding the Fourth Proportional to 11,728,930.16, 16,185,902.28 and 7,145,251.40

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Solution

The fourth proportional to 11,728,930.16, 16,185,902.28 and 7,145,251.40 is: 9,860,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728,930.16 : 16,185,902.28 = 7,145,251.40 : x
  2. Step 2: Convert to fraction form
    11,728,930.16/16,185,902.28 = 7,145,251.40/x
  3. Step 3: Cross multiply
    11,728,930.16x = 16,185,902.28 × 7,145,251.40
  4. Step 4: Simplify right side
    11,728,930.16x = 115,652,340,926,433.19
  5. Step 5: Solve for x
    x = 115,652,340,926,433.19/11,728,930.16
  6. Step 6: Final answer
    x = 9,860,433.93

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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.