Home / 29,319,093.71-43,990,838.25-12,915,983.17

Finding the Fourth Proportional to 29,319,093.71, 43,990,838.25 and 12,915,983.17

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Solution

The fourth proportional to 29,319,093.71, 43,990,838.25 and 12,915,983.17 is: 19,379,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319,093.71 : 43,990,838.25 = 12,915,983.17 : x
  2. Step 2: Convert to fraction form
    29,319,093.71/43,990,838.25 = 12,915,983.17/x
  3. Step 3: Cross multiply
    29,319,093.71x = 43,990,838.25 × 12,915,983.17
  4. Step 4: Simplify right side
    29,319,093.71x = 568,184,926,471,192.25
  5. Step 5: Solve for x
    x = 568,184,926,471,192.25/29,319,093.71
  6. Step 6: Final answer
    x = 19,379,348.22

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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.