Home / 18,146,172.60-27,219,258.90-17,721,019.80

Finding the Fourth Proportional to 18,146,172.60, 27,219,258.90 and 17,721,019.80

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Solution

The fourth proportional to 18,146,172.60, 27,219,258.90 and 17,721,019.80 is: 26,581,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,172.60 : 27,219,258.90 = 17,721,019.80 : x
  2. Step 2: Convert to fraction form
    18,146,172.60/27,219,258.90 = 17,721,019.80/x
  3. Step 3: Cross multiply
    18,146,172.60x = 27,219,258.90 × 17,721,019.80
  4. Step 4: Simplify right side
    18,146,172.60x = 482,353,025,908,226.19
  5. Step 5: Solve for x
    x = 482,353,025,908,226.19/18,146,172.60
  6. Step 6: Final answer
    x = 26,581,529.70

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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.