Home / 37,618,359.12-51,913,904.40-21,102,144.84

Finding the Fourth Proportional to 37,618,359.12, 51,913,904.40 and 21,102,144.84

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Solution

The fourth proportional to 37,618,359.12, 51,913,904.40 and 21,102,144.84 is: 29,121,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618,359.12 : 51,913,904.40 = 21,102,144.84 : x
  2. Step 2: Convert to fraction form
    37,618,359.12/51,913,904.40 = 21,102,144.84/x
  3. Step 3: Cross multiply
    37,618,359.12x = 51,913,904.40 × 21,102,144.84
  4. Step 4: Simplify right side
    37,618,359.12x = 1,095,494,729,858,713.25
  5. Step 5: Solve for x
    x = 1,095,494,729,858,713.25/37,618,359.12
  6. Step 6: Final answer
    x = 29,121,278.96

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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.