Home / 21,399,813.63-32,057,205.16-11,791,360.35

Finding the Fourth Proportional to 21,399,813.63, 32,057,205.16 and 11,791,360.35

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Solution

The fourth proportional to 21,399,813.63, 32,057,205.16 and 11,791,360.35 is: 17,663,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,813.63 : 32,057,205.16 = 11,791,360.35 : x
  2. Step 2: Convert to fraction form
    21,399,813.63/32,057,205.16 = 11,791,360.35/x
  3. Step 3: Cross multiply
    21,399,813.63x = 32,057,205.16 × 11,791,360.35
  4. Step 4: Simplify right side
    21,399,813.63x = 377,998,057,705,746.44
  5. Step 5: Solve for x
    x = 377,998,057,705,746.44/21,399,813.63
  6. Step 6: Final answer
    x = 17,663,614.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.