Home / 14,271,497.20-21,407,245.80-8,224,879.60

Finding the Fourth Proportional to 14,271,497.20, 21,407,245.80 and 8,224,879.60

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Solution

The fourth proportional to 14,271,497.20, 21,407,245.80 and 8,224,879.60 is: 12,337,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,497.20 : 21,407,245.80 = 8,224,879.60 : x
  2. Step 2: Convert to fraction form
    14,271,497.20/21,407,245.80 = 8,224,879.60/x
  3. Step 3: Cross multiply
    14,271,497.20x = 21,407,245.80 × 8,224,879.60
  4. Step 4: Simplify right side
    14,271,497.20x = 176,072,019,272,605.69
  5. Step 5: Solve for x
    x = 176,072,019,272,605.69/14,271,497.20
  6. Step 6: Final answer
    x = 12,337,319.40

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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.