Home / 37,892,288.68-52,291,395.48-20,488,629.40

Finding the Fourth Proportional to 37,892,288.68, 52,291,395.48 and 20,488,629.40

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Solution

The fourth proportional to 37,892,288.68, 52,291,395.48 and 20,488,629.40 is: 28,274,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,892,288.68 : 52,291,395.48 = 20,488,629.40 : x
  2. Step 2: Convert to fraction form
    37,892,288.68/52,291,395.48 = 20,488,629.40/x
  3. Step 3: Cross multiply
    37,892,288.68x = 52,291,395.48 × 20,488,629.40
  4. Step 4: Simplify right side
    37,892,288.68x = 1,071,379,022,798,555
  5. Step 5: Solve for x
    x = 1,071,379,022,798,555/37,892,288.68
  6. Step 6: Final answer
    x = 28,274,328.63

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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.