Home / 12,483,799.32-18,709,257.50-5,286,427.41

Finding the Fourth Proportional to 12,483,799.32, 18,709,257.50 and 5,286,427.41

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Solution

The fourth proportional to 12,483,799.32, 18,709,257.50 and 5,286,427.41 is: 7,922,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,799.32 : 18,709,257.50 = 5,286,427.41 : x
  2. Step 2: Convert to fraction form
    12,483,799.32/18,709,257.50 = 5,286,427.41/x
  3. Step 3: Cross multiply
    12,483,799.32x = 18,709,257.50 × 5,286,427.41
  4. Step 4: Simplify right side
    12,483,799.32x = 98,905,131,668,748.08
  5. Step 5: Solve for x
    x = 98,905,131,668,748.08/12,483,799.32
  6. Step 6: Final answer
    x = 7,922,678.76

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1.5x scale

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.