Home / 21,410,130.38-29,546,012.39-11,620,578.14

Finding the Fourth Proportional to 21,410,130.38, 29,546,012.39 and 11,620,578.14

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Solution

The fourth proportional to 21,410,130.38, 29,546,012.39 and 11,620,578.14 is: 16,036,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,130.38 : 29,546,012.39 = 11,620,578.14 : x
  2. Step 2: Convert to fraction form
    21,410,130.38/29,546,012.39 = 11,620,578.14/x
  3. Step 3: Cross multiply
    21,410,130.38x = 29,546,012.39 × 11,620,578.14
  4. Step 4: Simplify right side
    21,410,130.38x = 343,341,745,608,367.75
  5. Step 5: Solve for x
    x = 343,341,745,608,367.75/21,410,130.38
  6. Step 6: Final answer
    x = 16,036,415.45

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1.5x scale

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.