Home / 13,448,836.12-18,558,637.50-7,649,028.76

Finding the Fourth Proportional to 13,448,836.12, 18,558,637.50 and 7,649,028.76

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Solution

The fourth proportional to 13,448,836.12, 18,558,637.50 and 7,649,028.76 is: 10,555,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,836.12 : 18,558,637.50 = 7,649,028.76 : x
  2. Step 2: Convert to fraction form
    13,448,836.12/18,558,637.50 = 7,649,028.76/x
  3. Step 3: Cross multiply
    13,448,836.12x = 18,558,637.50 × 7,649,028.76
  4. Step 4: Simplify right side
    13,448,836.12x = 141,955,551,983,914.50
  5. Step 5: Solve for x
    x = 141,955,551,983,914.50/13,448,836.12
  6. Step 6: Final answer
    x = 10,555,229.52

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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.