Home / 12,949,085.70-19,423,628.55-12,396,212.10

Finding the Fourth Proportional to 12,949,085.70, 19,423,628.55 and 12,396,212.10

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Solution

The fourth proportional to 12,949,085.70, 19,423,628.55 and 12,396,212.10 is: 18,594,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,085.70 : 19,423,628.55 = 12,396,212.10 : x
  2. Step 2: Convert to fraction form
    12,949,085.70/19,423,628.55 = 12,396,212.10/x
  3. Step 3: Cross multiply
    12,949,085.70x = 19,423,628.55 × 12,396,212.10
  4. Step 4: Simplify right side
    12,949,085.70x = 240,779,419,257,415.47
  5. Step 5: Solve for x
    x = 240,779,419,257,415.47/12,949,085.70
  6. Step 6: Final answer
    x = 18,594,318.15

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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.