Home / 20,970,254.58-28,924,044.22-13,997,416.51

Finding the Fourth Proportional to 20,970,254.58, 28,924,044.22 and 13,997,416.51

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Solution

The fourth proportional to 20,970,254.58, 28,924,044.22 and 13,997,416.51 is: 19,306,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,254.58 : 28,924,044.22 = 13,997,416.51 : x
  2. Step 2: Convert to fraction form
    20,970,254.58/28,924,044.22 = 13,997,416.51/x
  3. Step 3: Cross multiply
    20,970,254.58x = 28,924,044.22 × 13,997,416.51
  4. Step 4: Simplify right side
    20,970,254.58x = 404,861,894,100,998.06
  5. Step 5: Solve for x
    x = 404,861,894,100,998.06/20,970,254.58
  6. Step 6: Final answer
    x = 19,306,484.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.