Home / 17,938,987.79-26,912,768.20-5,808,464.84

Finding the Fourth Proportional to 17,938,987.79, 26,912,768.20 and 5,808,464.84

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Solution

The fourth proportional to 17,938,987.79, 26,912,768.20 and 5,808,464.84 is: 8,714,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938,987.79 : 26,912,768.20 = 5,808,464.84 : x
  2. Step 2: Convert to fraction form
    17,938,987.79/26,912,768.20 = 5,808,464.84/x
  3. Step 3: Cross multiply
    17,938,987.79x = 26,912,768.20 × 5,808,464.84
  4. Step 4: Simplify right side
    17,938,987.79x = 156,321,867,889,530.88
  5. Step 5: Solve for x
    x = 156,321,867,889,530.88/17,938,987.79
  6. Step 6: Final answer
    x = 8,714,085.20

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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.