Home / 21,026,690.82-29,018,289.90-11,736,073.40

Finding the Fourth Proportional to 21,026,690.82, 29,018,289.90 and 11,736,073.40

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Solution

The fourth proportional to 21,026,690.82, 29,018,289.90 and 11,736,073.40 is: 16,196,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,690.82 : 29,018,289.90 = 11,736,073.40 : x
  2. Step 2: Convert to fraction form
    21,026,690.82/29,018,289.90 = 11,736,073.40/x
  3. Step 3: Cross multiply
    21,026,690.82x = 29,018,289.90 × 11,736,073.40
  4. Step 4: Simplify right side
    21,026,690.82x = 340,560,780,063,787.19
  5. Step 5: Solve for x
    x = 340,560,780,063,787.19/21,026,690.82
  6. Step 6: Final answer
    x = 16,196,594.27

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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.