Home / 13,057,963.20-19,586,944.80-9,698,731.20

Finding the Fourth Proportional to 13,057,963.20, 19,586,944.80 and 9,698,731.20

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Solution

The fourth proportional to 13,057,963.20, 19,586,944.80 and 9,698,731.20 is: 14,548,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,963.20 : 19,586,944.80 = 9,698,731.20 : x
  2. Step 2: Convert to fraction form
    13,057,963.20/19,586,944.80 = 9,698,731.20/x
  3. Step 3: Cross multiply
    13,057,963.20x = 19,586,944.80 × 9,698,731.20
  4. Step 4: Simplify right side
    13,057,963.20x = 189,968,512,644,437.75
  5. Step 5: Solve for x
    x = 189,968,512,644,437.75/13,057,963.20
  6. Step 6: Final answer
    x = 14,548,096.80

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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.