Home / 21,996,340.32-30,351,851.01-13,173,723.93

Finding the Fourth Proportional to 21,996,340.32, 30,351,851.01 and 13,173,723.93

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Solution

The fourth proportional to 21,996,340.32, 30,351,851.01 and 13,173,723.93 is: 18,177,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996,340.32 : 30,351,851.01 = 13,173,723.93 : x
  2. Step 2: Convert to fraction form
    21,996,340.32/30,351,851.01 = 13,173,723.93/x
  3. Step 3: Cross multiply
    21,996,340.32x = 30,351,851.01 × 13,173,723.93
  4. Step 4: Simplify right side
    21,996,340.32x = 399,846,905,970,231.69
  5. Step 5: Solve for x
    x = 399,846,905,970,231.69/21,996,340.32
  6. Step 6: Final answer
    x = 18,177,883.24

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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.