Home / 31,665,811.84-43,698,905.04-17,179,123.84

Finding the Fourth Proportional to 31,665,811.84, 43,698,905.04 and 17,179,123.84

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Solution

The fourth proportional to 31,665,811.84, 43,698,905.04 and 17,179,123.84 is: 23,707,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665,811.84 : 43,698,905.04 = 17,179,123.84 : x
  2. Step 2: Convert to fraction form
    31,665,811.84/43,698,905.04 = 17,179,123.84/x
  3. Step 3: Cross multiply
    31,665,811.84x = 43,698,905.04 × 17,179,123.84
  4. Step 4: Simplify right side
    31,665,811.84x = 750,708,901,354,560.12
  5. Step 5: Solve for x
    x = 750,708,901,354,560.12/31,665,811.84
  6. Step 6: Final answer
    x = 23,707,236.85

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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.