Home / 13,573,797.45-20,360,699.95-3,989,175.45

Finding the Fourth Proportional to 13,573,797.45, 20,360,699.95 and 3,989,175.45

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Solution

The fourth proportional to 13,573,797.45, 20,360,699.95 and 3,989,175.45 is: 5,983,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573,797.45 : 20,360,699.95 = 3,989,175.45 : x
  2. Step 2: Convert to fraction form
    13,573,797.45/20,360,699.95 = 3,989,175.45/x
  3. Step 3: Cross multiply
    13,573,797.45x = 20,360,699.95 × 3,989,175.45
  4. Step 4: Simplify right side
    13,573,797.45x = 81,222,404,385,356.23
  5. Step 5: Solve for x
    x = 81,222,404,385,356.23/13,573,797.45
  6. Step 6: Final answer
    x = 5,983,764.28

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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.