Home / 21,875,307.17-30,188,240.66-12,085,976.50

Finding the Fourth Proportional to 21,875,307.17, 30,188,240.66 and 12,085,976.50

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Solution

The fourth proportional to 21,875,307.17, 30,188,240.66 and 12,085,976.50 is: 16,678,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875,307.17 : 30,188,240.66 = 12,085,976.50 : x
  2. Step 2: Convert to fraction form
    21,875,307.17/30,188,240.66 = 12,085,976.50/x
  3. Step 3: Cross multiply
    21,875,307.17x = 30,188,240.66 × 12,085,976.50
  4. Step 4: Simplify right side
    21,875,307.17x = 364,854,367,193,104.50
  5. Step 5: Solve for x
    x = 364,854,367,193,104.50/21,875,307.17
  6. Step 6: Final answer
    x = 16,678,822.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.