Home / 21,429,479.14-29,572,903.96-11,640,114.80

Finding the Fourth Proportional to 21,429,479.14, 29,572,903.96 and 11,640,114.80

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Solution

The fourth proportional to 21,429,479.14, 29,572,903.96 and 11,640,114.80 is: 16,063,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,479.14 : 29,572,903.96 = 11,640,114.80 : x
  2. Step 2: Convert to fraction form
    21,429,479.14/29,572,903.96 = 11,640,114.80/x
  3. Step 3: Cross multiply
    21,429,479.14x = 29,572,903.96 × 11,640,114.80
  4. Step 4: Simplify right side
    21,429,479.14x = 344,231,997,063,774.62
  5. Step 5: Solve for x
    x = 344,231,997,063,774.62/21,429,479.14
  6. Step 6: Final answer
    x = 16,063,479.42

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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.