Home / 21,276,846.90-31,919,754.15-6,898,793.70

Finding the Fourth Proportional to 21,276,846.90, 31,919,754.15 and 6,898,793.70

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Solution

The fourth proportional to 21,276,846.90, 31,919,754.15 and 6,898,793.70 is: 10,349,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,846.90 : 31,919,754.15 = 6,898,793.70 : x
  2. Step 2: Convert to fraction form
    21,276,846.90/31,919,754.15 = 6,898,793.70/x
  3. Step 3: Cross multiply
    21,276,846.90x = 31,919,754.15 × 6,898,793.70
  4. Step 4: Simplify right side
    21,276,846.90x = 220,207,798,835,568.84
  5. Step 5: Solve for x
    x = 220,207,798,835,568.84/21,276,846.90
  6. Step 6: Final answer
    x = 10,349,644.37

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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.