Home / 28,586,270.80-39,449,270.82-15,533,599.96

Finding the Fourth Proportional to 28,586,270.80, 39,449,270.82 and 15,533,599.96

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Solution

The fourth proportional to 28,586,270.80, 39,449,270.82 and 15,533,599.96 is: 21,436,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586,270.80 : 39,449,270.82 = 15,533,599.96 : x
  2. Step 2: Convert to fraction form
    28,586,270.80/39,449,270.82 = 15,533,599.96/x
  3. Step 3: Cross multiply
    28,586,270.80x = 39,449,270.82 × 15,533,599.96
  4. Step 4: Simplify right side
    28,586,270.80x = 612,789,191,631,581.25
  5. Step 5: Solve for x
    x = 612,789,191,631,581.25/28,586,270.80
  6. Step 6: Final answer
    x = 21,436,485.92

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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.