Home / 13,030,191.03-17,981,656.61-7,149,863.80

Finding the Fourth Proportional to 13,030,191.03, 17,981,656.61 and 7,149,863.80

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Solution

The fourth proportional to 13,030,191.03, 17,981,656.61 and 7,149,863.80 is: 9,866,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,191.03 : 17,981,656.61 = 7,149,863.80 : x
  2. Step 2: Convert to fraction form
    13,030,191.03/17,981,656.61 = 7,149,863.80/x
  3. Step 3: Cross multiply
    13,030,191.03x = 17,981,656.61 × 7,149,863.80
  4. Step 4: Simplify right side
    13,030,191.03x = 128,566,395,636,242.05
  5. Step 5: Solve for x
    x = 128,566,395,636,242.05/13,030,191.03
  6. Step 6: Final answer
    x = 9,866,808.19

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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.