Home / 13,815,619.44-19,065,687.81-7,620,927.24

Finding the Fourth Proportional to 13,815,619.44, 19,065,687.81 and 7,620,927.24

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Solution

The fourth proportional to 13,815,619.44, 19,065,687.81 and 7,620,927.24 is: 10,516,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,619.44 : 19,065,687.81 = 7,620,927.24 : x
  2. Step 2: Convert to fraction form
    13,815,619.44/19,065,687.81 = 7,620,927.24/x
  3. Step 3: Cross multiply
    13,815,619.44x = 19,065,687.81 × 7,620,927.24
  4. Step 4: Simplify right side
    13,815,619.44x = 145,298,219,659,650.84
  5. Step 5: Solve for x
    x = 145,298,219,659,650.84/13,815,619.44
  6. Step 6: Final answer
    x = 10,516,952.95

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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.