Home / 15,774,947.12-21,769,427.04-8,531,603.12

Finding the Fourth Proportional to 15,774,947.12, 21,769,427.04 and 8,531,603.12

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Solution

The fourth proportional to 15,774,947.12, 21,769,427.04 and 8,531,603.12 is: 11,773,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,947.12 : 21,769,427.04 = 8,531,603.12 : x
  2. Step 2: Convert to fraction form
    15,774,947.12/21,769,427.04 = 8,531,603.12/x
  3. Step 3: Cross multiply
    15,774,947.12x = 21,769,427.04 × 8,531,603.12
  4. Step 4: Simplify right side
    15,774,947.12x = 185,728,111,655,076.34
  5. Step 5: Solve for x
    x = 185,728,111,655,076.34/15,774,947.12
  6. Step 6: Final answer
    x = 11,773,612.31

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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.