Home / 12,096,643.30-18,144,964.95-9,110,659.30

Finding the Fourth Proportional to 12,096,643.30, 18,144,964.95 and 9,110,659.30

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Solution

The fourth proportional to 12,096,643.30, 18,144,964.95 and 9,110,659.30 is: 13,665,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,643.30 : 18,144,964.95 = 9,110,659.30 : x
  2. Step 2: Convert to fraction form
    12,096,643.30/18,144,964.95 = 9,110,659.30/x
  3. Step 3: Cross multiply
    12,096,643.30x = 18,144,964.95 × 9,110,659.30
  4. Step 4: Simplify right side
    12,096,643.30x = 165,312,593,669,891.53
  5. Step 5: Solve for x
    x = 165,312,593,669,891.53/12,096,643.30
  6. Step 6: Final answer
    x = 13,665,988.95

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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.