Home / 21,482,895.48-29,647,025.86-11,693,978.20

Finding the Fourth Proportional to 21,482,895.48, 29,647,025.86 and 11,693,978.20

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Solution

The fourth proportional to 21,482,895.48, 29,647,025.86 and 11,693,978.20 is: 16,138,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,895.48 : 29,647,025.86 = 11,693,978.20 : x
  2. Step 2: Convert to fraction form
    21,482,895.48/29,647,025.86 = 11,693,978.20/x
  3. Step 3: Cross multiply
    21,482,895.48x = 29,647,025.86 × 11,693,978.20
  4. Step 4: Simplify right side
    21,482,895.48x = 346,691,674,101,676.25
  5. Step 5: Solve for x
    x = 346,691,674,101,676.25/21,482,895.48
  6. Step 6: Final answer
    x = 16,138,032.90

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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.