Home / 38,437,452.18-53,043,678.90-21,033,799.44

Finding the Fourth Proportional to 38,437,452.18, 53,043,678.90 and 21,033,799.44

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Solution

The fourth proportional to 38,437,452.18, 53,043,678.90 and 21,033,799.44 is: 29,026,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437,452.18 : 53,043,678.90 = 21,033,799.44 : x
  2. Step 2: Convert to fraction form
    38,437,452.18/53,043,678.90 = 21,033,799.44/x
  3. Step 3: Cross multiply
    38,437,452.18x = 53,043,678.90 × 21,033,799.44
  4. Step 4: Simplify right side
    38,437,452.18x = 1,115,710,103,542,359.88
  5. Step 5: Solve for x
    x = 1,115,710,103,542,359.88/38,437,452.18
  6. Step 6: Final answer
    x = 29,026,640.43

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1.5x scale

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.