Home / 21,069,984.06-29,078,938.44-11,903,217.30

Finding the Fourth Proportional to 21,069,984.06, 29,078,938.44 and 11,903,217.30

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Solution

The fourth proportional to 21,069,984.06, 29,078,938.44 and 11,903,217.30 is: 16,427,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069,984.06 : 29,078,938.44 = 11,903,217.30 : x
  2. Step 2: Convert to fraction form
    21,069,984.06/29,078,938.44 = 11,903,217.30/x
  3. Step 3: Cross multiply
    21,069,984.06x = 29,078,938.44 × 11,903,217.30
  4. Step 4: Simplify right side
    21,069,984.06x = 346,132,923,104,643.06
  5. Step 5: Solve for x
    x = 346,132,923,104,643.06/21,069,984.06
  6. Step 6: Final answer
    x = 16,427,773.37

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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.