Home / 13,874,765.18-19,146,687.59-7,679,823.86

Finding the Fourth Proportional to 13,874,765.18, 19,146,687.59 and 7,679,823.86

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Solution

The fourth proportional to 13,874,765.18, 19,146,687.59 and 7,679,823.86 is: 10,597,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,765.18 : 19,146,687.59 = 7,679,823.86 : x
  2. Step 2: Convert to fraction form
    13,874,765.18/19,146,687.59 = 7,679,823.86/x
  3. Step 3: Cross multiply
    13,874,765.18x = 19,146,687.59 × 7,679,823.86
  4. Step 4: Simplify right side
    13,874,765.18x = 147,043,188,260,714.19
  5. Step 5: Solve for x
    x = 147,043,188,260,714.19/13,874,765.18
  6. Step 6: Final answer
    x = 10,597,886.62

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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.