Home / 9,357,743.40-14,036,615.10-7,987,806.60

Finding the Fourth Proportional to 9,357,743.40, 14,036,615.10 and 7,987,806.60

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Solution

The fourth proportional to 9,357,743.40, 14,036,615.10 and 7,987,806.60 is: 11,981,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357,743.40 : 14,036,615.10 = 7,987,806.60 : x
  2. Step 2: Convert to fraction form
    9,357,743.40/14,036,615.10 = 7,987,806.60/x
  3. Step 3: Cross multiply
    9,357,743.40x = 14,036,615.10 × 7,987,806.60
  4. Step 4: Simplify right side
    9,357,743.40x = 112,121,766,737,439.66
  5. Step 5: Solve for x
    x = 112,121,766,737,439.66/9,357,743.40
  6. Step 6: Final answer
    x = 11,981,709.90

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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.