Home / 8,872,689.84-13,309,036.02-2,141,103.84

Finding the Fourth Proportional to 8,872,689.84, 13,309,036.02 and 2,141,103.84

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Solution

The fourth proportional to 8,872,689.84, 13,309,036.02 and 2,141,103.84 is: 3,211,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872,689.84 : 13,309,036.02 = 2,141,103.84 : x
  2. Step 2: Convert to fraction form
    8,872,689.84/13,309,036.02 = 2,141,103.84/x
  3. Step 3: Cross multiply
    8,872,689.84x = 13,309,036.02 × 2,141,103.84
  4. Step 4: Simplify right side
    8,872,689.84x = 28,496,028,129,120.31
  5. Step 5: Solve for x
    x = 28,496,028,129,120.31/8,872,689.84
  6. Step 6: Final answer
    x = 3,211,656.06

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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.