Home / 12,597,738.40-18,896,607.60-8,734,621.60

Finding the Fourth Proportional to 12,597,738.40, 18,896,607.60 and 8,734,621.60

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Solution

The fourth proportional to 12,597,738.40, 18,896,607.60 and 8,734,621.60 is: 13,101,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,738.40 : 18,896,607.60 = 8,734,621.60 : x
  2. Step 2: Convert to fraction form
    12,597,738.40/18,896,607.60 = 8,734,621.60/x
  3. Step 3: Cross multiply
    12,597,738.40x = 18,896,607.60 × 8,734,621.60
  4. Step 4: Simplify right side
    12,597,738.40x = 165,054,716,909,684.16
  5. Step 5: Solve for x
    x = 165,054,716,909,684.16/12,597,738.40
  6. Step 6: Final answer
    x = 13,101,932.40

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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.