Home / 40,839,085.80-61,258,628.70-18,122,279.40

Finding the Fourth Proportional to 40,839,085.80, 61,258,628.70 and 18,122,279.40

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Solution

The fourth proportional to 40,839,085.80, 61,258,628.70 and 18,122,279.40 is: 27,183,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839,085.80 : 61,258,628.70 = 18,122,279.40 : x
  2. Step 2: Convert to fraction form
    40,839,085.80/61,258,628.70 = 18,122,279.40/x
  3. Step 3: Cross multiply
    40,839,085.80x = 61,258,628.70 × 18,122,279.40
  4. Step 4: Simplify right side
    40,839,085.80x = 1,110,145,984,962,258.75
  5. Step 5: Solve for x
    x = 1,110,145,984,962,258.75/40,839,085.80
  6. Step 6: Final answer
    x = 27,183,419.10

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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.