Home / 13,308,932.85-19,963,334.48-5,216,190.45

Finding the Fourth Proportional to 13,308,932.85, 19,963,334.48 and 5,216,190.45

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Solution

The fourth proportional to 13,308,932.85, 19,963,334.48 and 5,216,190.45 is: 7,824,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,932.85 : 19,963,334.48 = 5,216,190.45 : x
  2. Step 2: Convert to fraction form
    13,308,932.85/19,963,334.48 = 5,216,190.45/x
  3. Step 3: Cross multiply
    13,308,932.85x = 19,963,334.48 × 5,216,190.45
  4. Step 4: Simplify right side
    13,308,932.85x = 104,132,554,638,650.78
  5. Step 5: Solve for x
    x = 104,132,554,638,650.78/13,308,932.85
  6. Step 6: Final answer
    x = 7,824,260.28

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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.