Home / 13,472,571.12-20,210,538.35-5,274,154.41

Finding the Fourth Proportional to 13,472,571.12, 20,210,538.35 and 5,274,154.41

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Solution

The fourth proportional to 13,472,571.12, 20,210,538.35 and 5,274,154.41 is: 7,911,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,571.12 : 20,210,538.35 = 5,274,154.41 : x
  2. Step 2: Convert to fraction form
    13,472,571.12/20,210,538.35 = 5,274,154.41/x
  3. Step 3: Cross multiply
    13,472,571.12x = 20,210,538.35 × 5,274,154.41
  4. Step 4: Simplify right side
    13,472,571.12x = 106,593,499,967,126.64
  5. Step 5: Solve for x
    x = 106,593,499,967,126.64/13,472,571.12
  6. Step 6: Final answer
    x = 7,911,889.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.