Home / 13,047,892.80-19,571,839.20-7,659,124.80

Finding the Fourth Proportional to 13,047,892.80, 19,571,839.20 and 7,659,124.80

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Solution

The fourth proportional to 13,047,892.80, 19,571,839.20 and 7,659,124.80 is: 11,488,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,892.80 : 19,571,839.20 = 7,659,124.80 : x
  2. Step 2: Convert to fraction form
    13,047,892.80/19,571,839.20 = 7,659,124.80/x
  3. Step 3: Cross multiply
    13,047,892.80x = 19,571,839.20 × 7,659,124.80
  4. Step 4: Simplify right side
    13,047,892.80x = 149,903,158,998,332.16
  5. Step 5: Solve for x
    x = 149,903,158,998,332.16/13,047,892.80
  6. Step 6: Final answer
    x = 11,488,687.20

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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.