Home / 13,815,620.44-19,065,689.19-7,620,928.24

Finding the Fourth Proportional to 13,815,620.44, 19,065,689.19 and 7,620,928.24

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Solution

The fourth proportional to 13,815,620.44, 19,065,689.19 and 7,620,928.24 is: 10,516,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,620.44 : 19,065,689.19 = 7,620,928.24 : x
  2. Step 2: Convert to fraction form
    13,815,620.44/19,065,689.19 = 7,620,928.24/x
  3. Step 3: Cross multiply
    13,815,620.44x = 19,065,689.19 × 7,620,928.24
  4. Step 4: Simplify right side
    13,815,620.44x = 145,298,249,163,133.75
  5. Step 5: Solve for x
    x = 145,298,249,163,133.75/13,815,620.44
  6. Step 6: Final answer
    x = 10,516,954.33

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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.