Home / 12,115,362.20-18,173,043.30-11,637,065.30

Finding the Fourth Proportional to 12,115,362.20, 18,173,043.30 and 11,637,065.30

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Solution

The fourth proportional to 12,115,362.20, 18,173,043.30 and 11,637,065.30 is: 17,455,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,362.20 : 18,173,043.30 = 11,637,065.30 : x
  2. Step 2: Convert to fraction form
    12,115,362.20/18,173,043.30 = 11,637,065.30/x
  3. Step 3: Cross multiply
    12,115,362.20x = 18,173,043.30 × 11,637,065.30
  4. Step 4: Simplify right side
    12,115,362.20x = 211,480,891,581,827.50
  5. Step 5: Solve for x
    x = 211,480,891,581,827.50/12,115,362.20
  6. Step 6: Final answer
    x = 17,455,597.95

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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.