Home / 13,057,963.20-19,586,944.80-9,872,913.60

Finding the Fourth Proportional to 13,057,963.20, 19,586,944.80 and 9,872,913.60

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Solution

The fourth proportional to 13,057,963.20, 19,586,944.80 and 9,872,913.60 is: 14,809,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,963.20 : 19,586,944.80 = 9,872,913.60 : x
  2. Step 2: Convert to fraction form
    13,057,963.20/19,586,944.80 = 9,872,913.60/x
  3. Step 3: Cross multiply
    13,057,963.20x = 19,586,944.80 × 9,872,913.60
  4. Step 4: Simplify right side
    13,057,963.20x = 193,380,213,698,369.28
  5. Step 5: Solve for x
    x = 193,380,213,698,369.28/13,057,963.20
  6. Step 6: Final answer
    x = 14,809,370.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.