Home / 27,483,498.21-37,941,952.20-21,190,280.64

Finding the Fourth Proportional to 27,483,498.21, 37,941,952.20 and 21,190,280.64

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Solution

The fourth proportional to 27,483,498.21, 37,941,952.20 and 21,190,280.64 is: 29,253,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483,498.21 : 37,941,952.20 = 21,190,280.64 : x
  2. Step 2: Convert to fraction form
    27,483,498.21/37,941,952.20 = 21,190,280.64/x
  3. Step 3: Cross multiply
    27,483,498.21x = 37,941,952.20 × 21,190,280.64
  4. Step 4: Simplify right side
    27,483,498.21x = 804,000,615,147,465.50
  5. Step 5: Solve for x
    x = 804,000,615,147,465.50/27,483,498.21
  6. Step 6: Final answer
    x = 29,253,940.27

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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.