Home / 13,247,591.34-18,278,993.52-7,739,901.60

Finding the Fourth Proportional to 13,247,591.34, 18,278,993.52 and 7,739,901.60

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Solution

The fourth proportional to 13,247,591.34, 18,278,993.52 and 7,739,901.60 is: 10,679,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,591.34 : 18,278,993.52 = 7,739,901.60 : x
  2. Step 2: Convert to fraction form
    13,247,591.34/18,278,993.52 = 7,739,901.60/x
  3. Step 3: Cross multiply
    13,247,591.34x = 18,278,993.52 × 7,739,901.60
  4. Step 4: Simplify right side
    13,247,591.34x = 141,477,611,191,837.62
  5. Step 5: Solve for x
    x = 141,477,611,191,837.62/13,247,591.34
  6. Step 6: Final answer
    x = 10,679,496.94

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1.5x scale

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.