Home / 13,655,530.56-18,845,935.86-7,461,519.18

Finding the Fourth Proportional to 13,655,530.56, 18,845,935.86 and 7,461,519.18

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Solution

The fourth proportional to 13,655,530.56, 18,845,935.86 and 7,461,519.18 is: 10,297,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,530.56 : 18,845,935.86 = 7,461,519.18 : x
  2. Step 2: Convert to fraction form
    13,655,530.56/18,845,935.86 = 7,461,519.18/x
  3. Step 3: Cross multiply
    13,655,530.56x = 18,845,935.86 × 7,461,519.18
  4. Step 4: Simplify right side
    13,655,530.56x = 140,619,311,884,439.78
  5. Step 5: Solve for x
    x = 140,619,311,884,439.78/13,655,530.56
  6. Step 6: Final answer
    x = 10,297,608.82

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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.