Home / 39,996,180.48-55,194,762.24-21,661,501.44

Finding the Fourth Proportional to 39,996,180.48, 55,194,762.24 and 21,661,501.44

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Solution

The fourth proportional to 39,996,180.48, 55,194,762.24 and 21,661,501.44 is: 29,892,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996,180.48 : 55,194,762.24 = 21,661,501.44 : x
  2. Step 2: Convert to fraction form
    39,996,180.48/55,194,762.24 = 21,661,501.44/x
  3. Step 3: Cross multiply
    39,996,180.48x = 55,194,762.24 × 21,661,501.44
  4. Step 4: Simplify right side
    39,996,180.48x = 1,195,601,421,742,217.75
  5. Step 5: Solve for x
    x = 1,195,601,421,742,217.75/39,996,180.48
  6. Step 6: Final answer
    x = 29,892,889.96

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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.