Home / 13,030,194.03-17,981,660.76-7,149,866.79

Finding the Fourth Proportional to 13,030,194.03, 17,981,660.76 and 7,149,866.79

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Solution

The fourth proportional to 13,030,194.03, 17,981,660.76 and 7,149,866.79 is: 9,866,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,194.03 : 17,981,660.76 = 7,149,866.79 : x
  2. Step 2: Convert to fraction form
    13,030,194.03/17,981,660.76 = 7,149,866.79/x
  3. Step 3: Cross multiply
    13,030,194.03x = 17,981,660.76 × 7,149,866.79
  4. Step 4: Simplify right side
    13,030,194.03x = 128,566,479,096,970.17
  5. Step 5: Solve for x
    x = 128,566,479,096,970.17/13,030,194.03
  6. Step 6: Final answer
    x = 9,866,812.33

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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.