Home / 21,410,130.81-29,546,013-11,620,578.59

Finding the Fourth Proportional to 21,410,130.81, 29,546,013 and 11,620,578.59

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Solution

The fourth proportional to 21,410,130.81, 29,546,013 and 11,620,578.59 is: 16,036,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,130.81 : 29,546,013 = 11,620,578.59 : x
  2. Step 2: Convert to fraction form
    21,410,130.81/29,546,013 = 11,620,578.59/x
  3. Step 3: Cross multiply
    21,410,130.81x = 29,546,013 × 11,620,578.59
  4. Step 4: Simplify right side
    21,410,130.81x = 343,341,766,087,661.69
  5. Step 5: Solve for x
    x = 343,341,766,087,661.69/21,410,130.81
  6. Step 6: Final answer
    x = 16,036,416.08

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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.