Home / 13,943,054.62-19,241,993.85-7,748,078.20

Finding the Fourth Proportional to 13,943,054.62, 19,241,993.85 and 7,748,078.20

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Solution

The fourth proportional to 13,943,054.62, 19,241,993.85 and 7,748,078.20 is: 10,692,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,054.62 : 19,241,993.85 = 7,748,078.20 : x
  2. Step 2: Convert to fraction form
    13,943,054.62/19,241,993.85 = 7,748,078.20/x
  3. Step 3: Cross multiply
    13,943,054.62x = 19,241,993.85 × 7,748,078.20
  4. Step 4: Simplify right side
    13,943,054.62x = 149,088,473,073,719.09
  5. Step 5: Solve for x
    x = 149,088,473,073,719.09/13,943,054.62
  6. Step 6: Final answer
    x = 10,692,669.37

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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.