Home / 38,834,385.36-53,592,738.96-21,194,253.84

Finding the Fourth Proportional to 38,834,385.36, 53,592,738.96 and 21,194,253.84

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Solution

The fourth proportional to 38,834,385.36, 53,592,738.96 and 21,194,253.84 is: 29,248,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,834,385.36 : 53,592,738.96 = 21,194,253.84 : x
  2. Step 2: Convert to fraction form
    38,834,385.36/53,592,738.96 = 21,194,253.84/x
  3. Step 3: Cross multiply
    38,834,385.36x = 53,592,738.96 × 21,194,253.84
  4. Step 4: Simplify right side
    38,834,385.36x = 1,135,858,113,499,097.50
  5. Step 5: Solve for x
    x = 1,135,858,113,499,097.50/38,834,385.36
  6. Step 6: Final answer
    x = 29,248,772.78

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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.