Home / 12,903,938.64-17,806,757.58-7,101,611.37

Finding the Fourth Proportional to 12,903,938.64, 17,806,757.58 and 7,101,611.37

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Solution

The fourth proportional to 12,903,938.64, 17,806,757.58 and 7,101,611.37 is: 9,799,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,938.64 : 17,806,757.58 = 7,101,611.37 : x
  2. Step 2: Convert to fraction form
    12,903,938.64/17,806,757.58 = 7,101,611.37/x
  3. Step 3: Cross multiply
    12,903,938.64x = 17,806,757.58 × 7,101,611.37
  4. Step 4: Simplify right side
    12,903,938.64x = 126,456,672,092,961.67
  5. Step 5: Solve for x
    x = 126,456,672,092,961.67/12,903,938.64
  6. Step 6: Final answer
    x = 9,799,850.70

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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.