Home / 21,856,486.08-30,161,787.36-12,066,928.32

Finding the Fourth Proportional to 21,856,486.08, 30,161,787.36 and 12,066,928.32

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Solution

The fourth proportional to 21,856,486.08, 30,161,787.36 and 12,066,928.32 is: 16,652,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,486.08 : 30,161,787.36 = 12,066,928.32 : x
  2. Step 2: Convert to fraction form
    21,856,486.08/30,161,787.36 = 12,066,928.32/x
  3. Step 3: Cross multiply
    21,856,486.08x = 30,161,787.36 × 12,066,928.32
  4. Step 4: Simplify right side
    21,856,486.08x = 363,960,126,076,202.06
  5. Step 5: Solve for x
    x = 363,960,126,076,202.06/21,856,486.08
  6. Step 6: Final answer
    x = 16,652,270.85

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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.