Home / 20,949,967.20-28,924,237.44-14,345,607.36

Finding the Fourth Proportional to 20,949,967.20, 28,924,237.44 and 14,345,607.36

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Solution

The fourth proportional to 20,949,967.20, 28,924,237.44 and 14,345,607.36 is: 19,806,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949,967.20 : 28,924,237.44 = 14,345,607.36 : x
  2. Step 2: Convert to fraction form
    20,949,967.20/28,924,237.44 = 14,345,607.36/x
  3. Step 3: Cross multiply
    20,949,967.20x = 28,924,237.44 × 14,345,607.36
  4. Step 4: Simplify right side
    20,949,967.20x = 414,935,753,501,651.56
  5. Step 5: Solve for x
    x = 414,935,753,501,651.56/20,949,967.20
  6. Step 6: Final answer
    x = 19,806,033.56

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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.