Home / 13,308,859.20-19,963,288.80-4,786,120.20

Finding the Fourth Proportional to 13,308,859.20, 19,963,288.80 and 4,786,120.20

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Solution

The fourth proportional to 13,308,859.20, 19,963,288.80 and 4,786,120.20 is: 7,179,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,859.20 : 19,963,288.80 = 4,786,120.20 : x
  2. Step 2: Convert to fraction form
    13,308,859.20/19,963,288.80 = 4,786,120.20/x
  3. Step 3: Cross multiply
    13,308,859.20x = 19,963,288.80 × 4,786,120.20
  4. Step 4: Simplify right side
    13,308,859.20x = 95,546,699,784,113.77
  5. Step 5: Solve for x
    x = 95,546,699,784,113.77/13,308,859.20
  6. Step 6: Final answer
    x = 7,179,180.30

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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.