Home / 13,088,759.22-18,063,232.47-7,863,365.79

Finding the Fourth Proportional to 13,088,759.22, 18,063,232.47 and 7,863,365.79

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Solution

The fourth proportional to 13,088,759.22, 18,063,232.47 and 7,863,365.79 is: 10,851,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088,759.22 : 18,063,232.47 = 7,863,365.79 : x
  2. Step 2: Convert to fraction form
    13,088,759.22/18,063,232.47 = 7,863,365.79/x
  3. Step 3: Cross multiply
    13,088,759.22x = 18,063,232.47 × 7,863,365.79
  4. Step 4: Simplify right side
    13,088,759.22x = 142,037,804,261,415.19
  5. Step 5: Solve for x
    x = 142,037,804,261,415.19/13,088,759.22
  6. Step 6: Final answer
    x = 10,851,892.21

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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.