Home / 15,774,966-21,769,453.08-8,531,622

Finding the Fourth Proportional to 15,774,966, 21,769,453.08 and 8,531,622

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Solution

The fourth proportional to 15,774,966, 21,769,453.08 and 8,531,622 is: 11,773,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,966 : 21,769,453.08 = 8,531,622 : x
  2. Step 2: Convert to fraction form
    15,774,966/21,769,453.08 = 8,531,622/x
  3. Step 3: Cross multiply
    15,774,966x = 21,769,453.08 × 8,531,622
  4. Step 4: Simplify right side
    15,774,966x = 185,728,744,825,295.75
  5. Step 5: Solve for x
    x = 185,728,744,825,295.75/15,774,966
  6. Step 6: Final answer
    x = 11,773,638.36

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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.