Home / 13,167,041.03-19,728,993.62-7,012,488.32

Finding the Fourth Proportional to 13,167,041.03, 19,728,993.62 and 7,012,488.32

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Solution

The fourth proportional to 13,167,041.03, 19,728,993.62 and 7,012,488.32 is: 10,507,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,041.03 : 19,728,993.62 = 7,012,488.32 : x
  2. Step 2: Convert to fraction form
    13,167,041.03/19,728,993.62 = 7,012,488.32/x
  3. Step 3: Cross multiply
    13,167,041.03x = 19,728,993.62 × 7,012,488.32
  4. Step 4: Simplify right side
    13,167,041.03x = 138,349,337,325,604.53
  5. Step 5: Solve for x
    x = 138,349,337,325,604.53/13,167,041.03
  6. Step 6: Final answer
    x = 10,507,245.86

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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.