Home / 21,841,649.33-30,141,440.15-12,052,085.72

Finding the Fourth Proportional to 21,841,649.33, 30,141,440.15 and 12,052,085.72

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Solution

The fourth proportional to 21,841,649.33, 30,141,440.15 and 12,052,085.72 is: 16,631,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841,649.33 : 30,141,440.15 = 12,052,085.72 : x
  2. Step 2: Convert to fraction form
    21,841,649.33/30,141,440.15 = 12,052,085.72/x
  3. Step 3: Cross multiply
    21,841,649.33x = 30,141,440.15 × 12,052,085.72
  4. Step 4: Simplify right side
    21,841,649.33x = 363,267,220,201,082
  5. Step 5: Solve for x
    x = 363,267,220,201,082/21,841,649.33
  6. Step 6: Final answer
    x = 16,631,858.46

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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.