Home / 20,855,272.25-31,300,918.32-14,470,008.63

Finding the Fourth Proportional to 20,855,272.25, 31,300,918.32 and 14,470,008.63

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Solution

The fourth proportional to 20,855,272.25, 31,300,918.32 and 14,470,008.63 is: 21,717,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855,272.25 : 31,300,918.32 = 14,470,008.63 : x
  2. Step 2: Convert to fraction form
    20,855,272.25/31,300,918.32 = 14,470,008.63/x
  3. Step 3: Cross multiply
    20,855,272.25x = 31,300,918.32 × 14,470,008.63
  4. Step 4: Simplify right side
    20,855,272.25x = 452,924,558,307,572.25
  5. Step 5: Solve for x
    x = 452,924,558,307,572.25/20,855,272.25
  6. Step 6: Final answer
    x = 21,717,508.79

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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.