Home / 15,539,806.80-23,309,710.20-7,981,534.80

Finding the Fourth Proportional to 15,539,806.80, 23,309,710.20 and 7,981,534.80

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Solution

The fourth proportional to 15,539,806.80, 23,309,710.20 and 7,981,534.80 is: 11,972,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,806.80 : 23,309,710.20 = 7,981,534.80 : x
  2. Step 2: Convert to fraction form
    15,539,806.80/23,309,710.20 = 7,981,534.80/x
  3. Step 3: Cross multiply
    15,539,806.80x = 23,309,710.20 × 7,981,534.80
  4. Step 4: Simplify right side
    15,539,806.80x = 186,047,263,139,214.94
  5. Step 5: Solve for x
    x = 186,047,263,139,214.94/15,539,806.80
  6. Step 6: Final answer
    x = 11,972,302.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.