Home / 12,354,891.51-18,521,314.79-6,286,228.95

Finding the Fourth Proportional to 12,354,891.51, 18,521,314.79 and 6,286,228.95

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Solution

The fourth proportional to 12,354,891.51, 18,521,314.79 and 6,286,228.95 is: 9,423,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,891.51 : 18,521,314.79 = 6,286,228.95 : x
  2. Step 2: Convert to fraction form
    12,354,891.51/18,521,314.79 = 6,286,228.95/x
  3. Step 3: Cross multiply
    12,354,891.51x = 18,521,314.79 × 6,286,228.95
  4. Step 4: Simplify right side
    12,354,891.51x = 116,429,225,193,530.03
  5. Step 5: Solve for x
    x = 116,429,225,193,530.03/12,354,891.51
  6. Step 6: Final answer
    x = 9,423,735.13

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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.