Home / 12,549,173.35-18,824,624.75-5,255,289.21

Finding the Fourth Proportional to 12,549,173.35, 18,824,624.75 and 5,255,289.21

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Solution

The fourth proportional to 12,549,173.35, 18,824,624.75 and 5,255,289.21 is: 7,883,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,173.35 : 18,824,624.75 = 5,255,289.21 : x
  2. Step 2: Convert to fraction form
    12,549,173.35/18,824,624.75 = 5,255,289.21/x
  3. Step 3: Cross multiply
    12,549,173.35x = 18,824,624.75 × 5,255,289.21
  4. Step 4: Simplify right side
    12,549,173.35x = 98,928,847,414,704.52
  5. Step 5: Solve for x
    x = 98,928,847,414,704.52/12,549,173.35
  6. Step 6: Final answer
    x = 7,883,295.95

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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.