Home / 39,112,960.80-58,669,149.60-11,819,200.80

Finding the Fourth Proportional to 39,112,960.80, 58,669,149.60 and 11,819,200.80

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Solution

The fourth proportional to 39,112,960.80, 58,669,149.60 and 11,819,200.80 is: 17,728,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112,960.80 : 58,669,149.60 = 11,819,200.80 : x
  2. Step 2: Convert to fraction form
    39,112,960.80/58,669,149.60 = 11,819,200.80/x
  3. Step 3: Cross multiply
    39,112,960.80x = 58,669,149.60 × 11,819,200.80
  4. Step 4: Simplify right side
    39,112,960.80x = 693,422,459,887,639.75
  5. Step 5: Solve for x
    x = 693,422,459,887,639.75/39,112,960.80
  6. Step 6: Final answer
    x = 17,728,713.08

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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.