Home / 13,279,427.00-18,326,547.73-7,399,451.51

Finding the Fourth Proportional to 13,279,427.00, 18,326,547.73 and 7,399,451.51

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Solution

The fourth proportional to 13,279,427.00, 18,326,547.73 and 7,399,451.51 is: 10,211,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279,427.00 : 18,326,547.73 = 7,399,451.51 : x
  2. Step 2: Convert to fraction form
    13,279,427.00/18,326,547.73 = 7,399,451.51/x
  3. Step 3: Cross multiply
    13,279,427.00x = 18,326,547.73 × 7,399,451.51
  4. Step 4: Simplify right side
    13,279,427.00x = 135,606,401,163,704.20
  5. Step 5: Solve for x
    x = 135,606,401,163,704.20/13,279,427.00
  6. Step 6: Final answer
    x = 10,211,766.01

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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.