Home / 13,915,995.20-19,204,212.48-7,804,292.48

Finding the Fourth Proportional to 13,915,995.20, 19,204,212.48 and 7,804,292.48

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Solution

The fourth proportional to 13,915,995.20, 19,204,212.48 and 7,804,292.48 is: 10,770,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915,995.20 : 19,204,212.48 = 7,804,292.48 : x
  2. Step 2: Convert to fraction form
    13,915,995.20/19,204,212.48 = 7,804,292.48/x
  3. Step 3: Cross multiply
    13,915,995.20x = 19,204,212.48 × 7,804,292.48
  4. Step 4: Simplify right side
    13,915,995.20x = 149,875,291,041,986.16
  5. Step 5: Solve for x
    x = 149,875,291,041,986.16/13,915,995.20
  6. Step 6: Final answer
    x = 10,770,001.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.