Home / 38,192,645.16-52,705,797.84-20,788,936.56

Finding the Fourth Proportional to 38,192,645.16, 52,705,797.84 and 20,788,936.56

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Solution

The fourth proportional to 38,192,645.16, 52,705,797.84 and 20,788,936.56 is: 28,688,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192,645.16 : 52,705,797.84 = 20,788,936.56 : x
  2. Step 2: Convert to fraction form
    38,192,645.16/52,705,797.84 = 20,788,936.56/x
  3. Step 3: Cross multiply
    38,192,645.16x = 52,705,797.84 × 20,788,936.56
  4. Step 4: Simplify right side
    38,192,645.16x = 1,095,697,487,639,945
  5. Step 5: Solve for x
    x = 1,095,697,487,639,945/38,192,645.16
  6. Step 6: Final answer
    x = 28,688,703.89

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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.