Home / 21,845,045.88-30,157,496.22-15,958,069.74

Finding the Fourth Proportional to 21,845,045.88, 30,157,496.22 and 15,958,069.74

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Solution

The fourth proportional to 21,845,045.88, 30,157,496.22 and 15,958,069.74 is: 22,030,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,045.88 : 30,157,496.22 = 15,958,069.74 : x
  2. Step 2: Convert to fraction form
    21,845,045.88/30,157,496.22 = 15,958,069.74/x
  3. Step 3: Cross multiply
    21,845,045.88x = 30,157,496.22 × 15,958,069.74
  4. Step 4: Simplify right side
    21,845,045.88x = 481,255,427,862,546.38
  5. Step 5: Solve for x
    x = 481,255,427,862,546.38/21,845,045.88
  6. Step 6: Final answer
    x = 22,030,415.07

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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.