Home / 13,527,422.79-18,667,343.30-7,332,336.45

Finding the Fourth Proportional to 13,527,422.79, 18,667,343.30 and 7,332,336.45

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Solution

The fourth proportional to 13,527,422.79, 18,667,343.30 and 7,332,336.45 is: 10,118,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,422.79 : 18,667,343.30 = 7,332,336.45 : x
  2. Step 2: Convert to fraction form
    13,527,422.79/18,667,343.30 = 7,332,336.45/x
  3. Step 3: Cross multiply
    13,527,422.79x = 18,667,343.30 × 7,332,336.45
  4. Step 4: Simplify right side
    13,527,422.79x = 136,875,241,675,959.95
  5. Step 5: Solve for x
    x = 136,875,241,675,959.95/13,527,422.79
  6. Step 6: Final answer
    x = 10,118,353.20

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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.