Home / 13,146,724.60-19,721,622.90-4,172,183.80

Finding the Fourth Proportional to 13,146,724.60, 19,721,622.90 and 4,172,183.80

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Solution

The fourth proportional to 13,146,724.60, 19,721,622.90 and 4,172,183.80 is: 6,258,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,724.60 : 19,721,622.90 = 4,172,183.80 : x
  2. Step 2: Convert to fraction form
    13,146,724.60/19,721,622.90 = 4,172,183.80/x
  3. Step 3: Cross multiply
    13,146,724.60x = 19,721,622.90 × 4,172,183.80
  4. Step 4: Simplify right side
    13,146,724.60x = 82,282,235,573,089.02
  5. Step 5: Solve for x
    x = 82,282,235,573,089.02/13,146,724.60
  6. Step 6: Final answer
    x = 6,258,763.16

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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.