Home / 21,735,986.68-29,995,727.22-11,947,434.04

Finding the Fourth Proportional to 21,735,986.68, 29,995,727.22 and 11,947,434.04

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Solution

The fourth proportional to 21,735,986.68, 29,995,727.22 and 11,947,434.04 is: 16,487,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,986.68 : 29,995,727.22 = 11,947,434.04 : x
  2. Step 2: Convert to fraction form
    21,735,986.68/29,995,727.22 = 11,947,434.04/x
  3. Step 3: Cross multiply
    21,735,986.68x = 29,995,727.22 × 11,947,434.04
  4. Step 4: Simplify right side
    21,735,986.68x = 358,371,972,442,782.50
  5. Step 5: Solve for x
    x = 358,371,972,442,782.50/21,735,986.68
  6. Step 6: Final answer
    x = 16,487,495.03

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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.