Home / 13,336,854-18,404,742.96-7,225,267.92

Finding the Fourth Proportional to 13,336,854, 18,404,742.96 and 7,225,267.92

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Solution

The fourth proportional to 13,336,854, 18,404,742.96 and 7,225,267.92 is: 9,970,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336,854 : 18,404,742.96 = 7,225,267.92 : x
  2. Step 2: Convert to fraction form
    13,336,854/18,404,742.96 = 7,225,267.92/x
  3. Step 3: Cross multiply
    13,336,854x = 18,404,742.96 × 7,225,267.92
  4. Step 4: Simplify right side
    13,336,854x = 132,979,198,884,733.84
  5. Step 5: Solve for x
    x = 132,979,198,884,733.84/13,336,854
  6. Step 6: Final answer
    x = 9,970,807.12

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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.