Home / 21,482,890.48-29,647,018.96-11,693,973.20

Finding the Fourth Proportional to 21,482,890.48, 29,647,018.96 and 11,693,973.20

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Solution

The fourth proportional to 21,482,890.48, 29,647,018.96 and 11,693,973.20 is: 16,138,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,890.48 : 29,647,018.96 = 11,693,973.20 : x
  2. Step 2: Convert to fraction form
    21,482,890.48/29,647,018.96 = 11,693,973.20/x
  3. Step 3: Cross multiply
    21,482,890.48x = 29,647,018.96 × 11,693,973.20
  4. Step 4: Simplify right side
    21,482,890.48x = 346,691,445,178,131.88
  5. Step 5: Solve for x
    x = 346,691,445,178,131.88/21,482,890.48
  6. Step 6: Final answer
    x = 16,138,026.00

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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.