Home / 13,146,401.07-18,142,972.80-7,265,908.75

Finding the Fourth Proportional to 13,146,401.07, 18,142,972.80 and 7,265,908.75

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Solution

The fourth proportional to 13,146,401.07, 18,142,972.80 and 7,265,908.75 is: 10,027,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,401.07 : 18,142,972.80 = 7,265,908.75 : x
  2. Step 2: Convert to fraction form
    13,146,401.07/18,142,972.80 = 7,265,908.75/x
  3. Step 3: Cross multiply
    13,146,401.07x = 18,142,972.80 × 7,265,908.75
  4. Step 4: Simplify right side
    13,146,401.07x = 131,825,184,818,532
  5. Step 5: Solve for x
    x = 131,825,184,818,532/13,146,401.07
  6. Step 6: Final answer
    x = 10,027,473.24

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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.