Home / 20,772,040.40-31,158,060.60-17,233,096.40

Finding the Fourth Proportional to 20,772,040.40, 31,158,060.60 and 17,233,096.40

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Solution

The fourth proportional to 20,772,040.40, 31,158,060.60 and 17,233,096.40 is: 25,849,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,040.40 : 31,158,060.60 = 17,233,096.40 : x
  2. Step 2: Convert to fraction form
    20,772,040.40/31,158,060.60 = 17,233,096.40/x
  3. Step 3: Cross multiply
    20,772,040.40x = 31,158,060.60 × 17,233,096.40
  4. Step 4: Simplify right side
    20,772,040.40x = 536,949,861,956,841.81
  5. Step 5: Solve for x
    x = 536,949,861,956,841.81/20,772,040.40
  6. Step 6: Final answer
    x = 25,849,644.60

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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.