Home / 20,855,273.25-31,300,919.82-14,470,009.63

Finding the Fourth Proportional to 20,855,273.25, 31,300,919.82 and 14,470,009.63

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Solution

The fourth proportional to 20,855,273.25, 31,300,919.82 and 14,470,009.63 is: 21,717,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855,273.25 : 31,300,919.82 = 14,470,009.63 : x
  2. Step 2: Convert to fraction form
    20,855,273.25/31,300,919.82 = 14,470,009.63/x
  3. Step 3: Cross multiply
    20,855,273.25x = 31,300,919.82 × 14,470,009.63
  4. Step 4: Simplify right side
    20,855,273.25x = 452,924,611,223,257.88
  5. Step 5: Solve for x
    x = 452,924,611,223,257.88/20,855,273.25
  6. Step 6: Final answer
    x = 21,717,510.28

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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.