Home / 15,497,793.84-21,392,803.44-13,313,573.76

Finding the Fourth Proportional to 15,497,793.84, 21,392,803.44 and 13,313,573.76

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Solution

The fourth proportional to 15,497,793.84, 21,392,803.44 and 13,313,573.76 is: 18,377,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497,793.84 : 21,392,803.44 = 13,313,573.76 : x
  2. Step 2: Convert to fraction form
    15,497,793.84/21,392,803.44 = 13,313,573.76/x
  3. Step 3: Cross multiply
    15,497,793.84x = 21,392,803.44 × 13,313,573.76
  4. Step 4: Simplify right side
    15,497,793.84x = 284,814,666,531,621.75
  5. Step 5: Solve for x
    x = 284,814,666,531,621.75/15,497,793.84
  6. Step 6: Final answer
    x = 18,377,755.54

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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.