Home / 15,258,072.28-21,056,051.58-8,382,406.36

Finding the Fourth Proportional to 15,258,072.28, 21,056,051.58 and 8,382,406.36

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Solution

The fourth proportional to 15,258,072.28, 21,056,051.58 and 8,382,406.36 is: 11,567,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258,072.28 : 21,056,051.58 = 8,382,406.36 : x
  2. Step 2: Convert to fraction form
    15,258,072.28/21,056,051.58 = 8,382,406.36/x
  3. Step 3: Cross multiply
    15,258,072.28x = 21,056,051.58 × 8,382,406.36
  4. Step 4: Simplify right side
    15,258,072.28x = 176,500,380,680,680.03
  5. Step 5: Solve for x
    x = 176,500,380,680,680.03/15,258,072.28
  6. Step 6: Final answer
    x = 11,567,672.34

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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.