Home / 20,334,782.64-28,061,898-11,042,269.68

Finding the Fourth Proportional to 20,334,782.64, 28,061,898 and 11,042,269.68

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Solution

The fourth proportional to 20,334,782.64, 28,061,898 and 11,042,269.68 is: 15,238,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,782.64 : 28,061,898 = 11,042,269.68 : x
  2. Step 2: Convert to fraction form
    20,334,782.64/28,061,898 = 11,042,269.68/x
  3. Step 3: Cross multiply
    20,334,782.64x = 28,061,898 × 11,042,269.68
  4. Step 4: Simplify right side
    20,334,782.64x = 309,867,045,448,652.62
  5. Step 5: Solve for x
    x = 309,867,045,448,652.62/20,334,782.64
  6. Step 6: Final answer
    x = 15,238,276.75

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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.