Home / 27,782,980.76-38,340,015.46-15,392,824.94

Finding the Fourth Proportional to 27,782,980.76, 38,340,015.46 and 15,392,824.94

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Solution

The fourth proportional to 27,782,980.76, 38,340,015.46 and 15,392,824.94 is: 21,241,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782,980.76 : 38,340,015.46 = 15,392,824.94 : x
  2. Step 2: Convert to fraction form
    27,782,980.76/38,340,015.46 = 15,392,824.94/x
  3. Step 3: Cross multiply
    27,782,980.76x = 38,340,015.46 × 15,392,824.94
  4. Step 4: Simplify right side
    27,782,980.76x = 590,161,146,230,041.62
  5. Step 5: Solve for x
    x = 590,161,146,230,041.62/27,782,980.76
  6. Step 6: Final answer
    x = 21,241,822.51

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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.