Home / 25,998,980.40-38,998,470.60-18,440,708.40

Finding the Fourth Proportional to 25,998,980.40, 38,998,470.60 and 18,440,708.40

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Solution

The fourth proportional to 25,998,980.40, 38,998,470.60 and 18,440,708.40 is: 27,661,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998,980.40 : 38,998,470.60 = 18,440,708.40 : x
  2. Step 2: Convert to fraction form
    25,998,980.40/38,998,470.60 = 18,440,708.40/x
  3. Step 3: Cross multiply
    25,998,980.40x = 38,998,470.60 × 18,440,708.40
  4. Step 4: Simplify right side
    25,998,980.40x = 719,159,424,380,573
  5. Step 5: Solve for x
    x = 719,159,424,380,573/25,998,980.40
  6. Step 6: Final answer
    x = 27,661,062.60

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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.