Home / 21,875,306.17-30,188,239.28-12,085,975.50

Finding the Fourth Proportional to 21,875,306.17, 30,188,239.28 and 12,085,975.50

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Solution

The fourth proportional to 21,875,306.17, 30,188,239.28 and 12,085,975.50 is: 16,678,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875,306.17 : 30,188,239.28 = 12,085,975.50 : x
  2. Step 2: Convert to fraction form
    21,875,306.17/30,188,239.28 = 12,085,975.50/x
  3. Step 3: Cross multiply
    21,875,306.17x = 30,188,239.28 × 12,085,975.50
  4. Step 4: Simplify right side
    21,875,306.17x = 364,854,320,114,846.50
  5. Step 5: Solve for x
    x = 364,854,320,114,846.50/21,875,306.17
  6. Step 6: Final answer
    x = 16,678,821.20

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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.