Home / 21,279,098.39-31,923,130.86-6,901,045.02

Finding the Fourth Proportional to 21,279,098.39, 31,923,130.86 and 6,901,045.02

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Solution

The fourth proportional to 21,279,098.39, 31,923,130.86 and 6,901,045.02 is: 10,353,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,279,098.39 : 31,923,130.86 = 6,901,045.02 : x
  2. Step 2: Convert to fraction form
    21,279,098.39/31,923,130.86 = 6,901,045.02/x
  3. Step 3: Cross multiply
    21,279,098.39x = 31,923,130.86 × 6,901,045.02
  4. Step 4: Simplify right side
    21,279,098.39x = 220,302,963,244,211.31
  5. Step 5: Solve for x
    x = 220,302,963,244,211.31/21,279,098.39
  6. Step 6: Final answer
    x = 10,353,021.51

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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.