Home / 13,674,959.96-18,871,222.68-7,479,952.47

Finding the Fourth Proportional to 13,674,959.96, 18,871,222.68 and 7,479,952.47

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Solution

The fourth proportional to 13,674,959.96, 18,871,222.68 and 7,479,952.47 is: 10,322,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,959.96 : 18,871,222.68 = 7,479,952.47 : x
  2. Step 2: Convert to fraction form
    13,674,959.96/18,871,222.68 = 7,479,952.47/x
  3. Step 3: Cross multiply
    13,674,959.96x = 18,871,222.68 × 7,479,952.47
  4. Step 4: Simplify right side
    13,674,959.96x = 141,155,848,697,186
  5. Step 5: Solve for x
    x = 141,155,848,697,186/13,674,959.96
  6. Step 6: Final answer
    x = 10,322,212.95

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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.