Home / 13,147,616.84-18,143,802.40-7,346,643.08

Finding the Fourth Proportional to 13,147,616.84, 18,143,802.40 and 7,346,643.08

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Solution

The fourth proportional to 13,147,616.84, 18,143,802.40 and 7,346,643.08 is: 10,138,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,616.84 : 18,143,802.40 = 7,346,643.08 : x
  2. Step 2: Convert to fraction form
    13,147,616.84/18,143,802.40 = 7,346,643.08/x
  3. Step 3: Cross multiply
    13,147,616.84x = 18,143,802.40 × 7,346,643.08
  4. Step 4: Simplify right side
    13,147,616.84x = 133,296,040,346,847.38
  5. Step 5: Solve for x
    x = 133,296,040,346,847.38/13,147,616.84
  6. Step 6: Final answer
    x = 10,138,418.39

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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.