Home / 21,484,264.34-29,648,662.80-11,694,989.90

Finding the Fourth Proportional to 21,484,264.34, 29,648,662.80 and 11,694,989.90

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Solution

The fourth proportional to 21,484,264.34, 29,648,662.80 and 11,694,989.90 is: 16,139,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484,264.34 : 29,648,662.80 = 11,694,989.90 : x
  2. Step 2: Convert to fraction form
    21,484,264.34/29,648,662.80 = 11,694,989.90/x
  3. Step 3: Cross multiply
    21,484,264.34x = 29,648,662.80 × 11,694,989.90
  4. Step 4: Simplify right side
    21,484,264.34x = 346,740,811,994,505.75
  5. Step 5: Solve for x
    x = 346,740,811,994,505.75/21,484,264.34
  6. Step 6: Final answer
    x = 16,139,291.83

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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.