Home / 21,361,411.14-29,478,720.74-11,571,895.79

Finding the Fourth Proportional to 21,361,411.14, 29,478,720.74 and 11,571,895.79

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Solution

The fourth proportional to 21,361,411.14, 29,478,720.74 and 11,571,895.79 is: 15,969,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361,411.14 : 29,478,720.74 = 11,571,895.79 : x
  2. Step 2: Convert to fraction form
    21,361,411.14/29,478,720.74 = 11,571,895.79/x
  3. Step 3: Cross multiply
    21,361,411.14x = 29,478,720.74 × 11,571,895.79
  4. Step 4: Simplify right side
    21,361,411.14x = 341,124,684,264,441.81
  5. Step 5: Solve for x
    x = 341,124,684,264,441.81/21,361,411.14
  6. Step 6: Final answer
    x = 15,969,201.76

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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.