Home / 13,874,767.18-19,146,690.35-7,679,825.86

Finding the Fourth Proportional to 13,874,767.18, 19,146,690.35 and 7,679,825.86

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Solution

The fourth proportional to 13,874,767.18, 19,146,690.35 and 7,679,825.86 is: 10,597,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,767.18 : 19,146,690.35 = 7,679,825.86 : x
  2. Step 2: Convert to fraction form
    13,874,767.18/19,146,690.35 = 7,679,825.86/x
  3. Step 3: Cross multiply
    13,874,767.18x = 19,146,690.35 × 7,679,825.86
  4. Step 4: Simplify right side
    13,874,767.18x = 147,043,247,683,342.47
  5. Step 5: Solve for x
    x = 147,043,247,683,342.47/13,874,767.18
  6. Step 6: Final answer
    x = 10,597,889.38

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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.