Home / 11,577,554.51-15,978,006.47-6,422,576.81

Finding the Fourth Proportional to 11,577,554.51, 15,978,006.47 and 6,422,576.81

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Solution

The fourth proportional to 11,577,554.51, 15,978,006.47 and 6,422,576.81 is: 8,863,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577,554.51 : 15,978,006.47 = 6,422,576.81 : x
  2. Step 2: Convert to fraction form
    11,577,554.51/15,978,006.47 = 6,422,576.81/x
  3. Step 3: Cross multiply
    11,577,554.51x = 15,978,006.47 × 6,422,576.81
  4. Step 4: Simplify right side
    11,577,554.51x = 102,619,973,832,084.09
  5. Step 5: Solve for x
    x = 102,619,973,832,084.09/11,577,554.51
  6. Step 6: Final answer
    x = 8,863,700.34

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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.