Home / 38,437,447.15-53,043,672-21,033,794.44

Finding the Fourth Proportional to 38,437,447.15, 53,043,672 and 21,033,794.44

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Solution

The fourth proportional to 38,437,447.15, 53,043,672 and 21,033,794.44 is: 29,026,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437,447.15 : 53,043,672 = 21,033,794.44 : x
  2. Step 2: Convert to fraction form
    38,437,447.15/53,043,672 = 21,033,794.44/x
  3. Step 3: Cross multiply
    38,437,447.15x = 53,043,672 × 21,033,794.44
  4. Step 4: Simplify right side
    38,437,447.15x = 1,115,709,693,190,783.75
  5. Step 5: Solve for x
    x = 1,115,709,693,190,783.75/38,437,447.15
  6. Step 6: Final answer
    x = 29,026,633.55

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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.