Home / 13,309,607.69-18,367,154.54-7,198,036.19

Finding the Fourth Proportional to 13,309,607.69, 18,367,154.54 and 7,198,036.19

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Solution

The fourth proportional to 13,309,607.69, 18,367,154.54 and 7,198,036.19 is: 9,933,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,607.69 : 18,367,154.54 = 7,198,036.19 : x
  2. Step 2: Convert to fraction form
    13,309,607.69/18,367,154.54 = 7,198,036.19/x
  3. Step 3: Cross multiply
    13,309,607.69x = 18,367,154.54 × 7,198,036.19
  4. Step 4: Simplify right side
    13,309,607.69x = 132,207,443,198,094.03
  5. Step 5: Solve for x
    x = 132,207,443,198,094.03/13,309,607.69
  6. Step 6: Final answer
    x = 9,933,233.66

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Double scale
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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.