Home / 21,079,520.13-29,089,573.36-11,787,108.17

Finding the Fourth Proportional to 21,079,520.13, 29,089,573.36 and 11,787,108.17

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Solution

The fourth proportional to 21,079,520.13, 29,089,573.36 and 11,787,108.17 is: 16,266,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,079,520.13 : 29,089,573.36 = 11,787,108.17 : x
  2. Step 2: Convert to fraction form
    21,079,520.13/29,089,573.36 = 11,787,108.17/x
  3. Step 3: Cross multiply
    21,079,520.13x = 29,089,573.36 × 11,787,108.17
  4. Step 4: Simplify right side
    21,079,520.13x = 342,881,947,712,600
  5. Step 5: Solve for x
    x = 342,881,947,712,600/21,079,520.13
  6. Step 6: Final answer
    x = 16,266,117.33

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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.