Home / 8,719,987.64-13,081,949.82-2,655,261.72

Finding the Fourth Proportional to 8,719,987.64, 13,081,949.82 and 2,655,261.72

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Solution

The fourth proportional to 8,719,987.64, 13,081,949.82 and 2,655,261.72 is: 3,983,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,987.64 : 13,081,949.82 = 2,655,261.72 : x
  2. Step 2: Convert to fraction form
    8,719,987.64/13,081,949.82 = 2,655,261.72/x
  3. Step 3: Cross multiply
    8,719,987.64x = 13,081,949.82 × 2,655,261.72
  4. Step 4: Simplify right side
    8,719,987.64x = 34,736,000,580,006.89
  5. Step 5: Solve for x
    x = 34,736,000,580,006.89/8,719,987.64
  6. Step 6: Final answer
    x = 3,983,491.95

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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.