Home / 21,297,006-31,932,722.34-9,768,031.38

Finding the Fourth Proportional to 21,297,006, 31,932,722.34 and 9,768,031.38

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Solution

The fourth proportional to 21,297,006, 31,932,722.34 and 9,768,031.38 is: 14,646,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297,006 : 31,932,722.34 = 9,768,031.38 : x
  2. Step 2: Convert to fraction form
    21,297,006/31,932,722.34 = 9,768,031.38/x
  3. Step 3: Cross multiply
    21,297,006x = 31,932,722.34 × 9,768,031.38
  4. Step 4: Simplify right side
    21,297,006x = 311,919,833,865,947.06
  5. Step 5: Solve for x
    x = 311,919,833,865,947.06/21,297,006
  6. Step 6: Final answer
    x = 14,646,182.37

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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.