Home / 21,110,547.40-29,135,299.53-11,821,654.24

Finding the Fourth Proportional to 21,110,547.40, 29,135,299.53 and 11,821,654.24

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Solution

The fourth proportional to 21,110,547.40, 29,135,299.53 and 11,821,654.24 is: 16,315,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,110,547.40 : 29,135,299.53 = 11,821,654.24 : x
  2. Step 2: Convert to fraction form
    21,110,547.40/29,135,299.53 = 11,821,654.24/x
  3. Step 3: Cross multiply
    21,110,547.40x = 29,135,299.53 × 11,821,654.24
  4. Step 4: Simplify right side
    21,110,547.40x = 344,427,437,222,494.50
  5. Step 5: Solve for x
    x = 344,427,437,222,494.50/21,110,547.40
  6. Step 6: Final answer
    x = 16,315,419.52

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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.