Home / 21,745,813.80-32,643,906.30-11,668,117.80

Finding the Fourth Proportional to 21,745,813.80, 32,643,906.30 and 11,668,117.80

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Solution

The fourth proportional to 21,745,813.80, 32,643,906.30 and 11,668,117.80 is: 17,515,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745,813.80 : 32,643,906.30 = 11,668,117.80 : x
  2. Step 2: Convert to fraction form
    21,745,813.80/32,643,906.30 = 11,668,117.80/x
  3. Step 3: Cross multiply
    21,745,813.80x = 32,643,906.30 × 11,668,117.80
  4. Step 4: Simplify right side
    21,745,813.80x = 380,892,944,160,562.19
  5. Step 5: Solve for x
    x = 380,892,944,160,562.19/21,745,813.80
  6. Step 6: Final answer
    x = 17,515,690.50

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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.