Home / 13,555,215.54-20,332,830.60-8,510,068.98

Finding the Fourth Proportional to 13,555,215.54, 20,332,830.60 and 8,510,068.98

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Solution

The fourth proportional to 13,555,215.54, 20,332,830.60 and 8,510,068.98 is: 12,765,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,215.54 : 20,332,830.60 = 8,510,068.98 : x
  2. Step 2: Convert to fraction form
    13,555,215.54/20,332,830.60 = 8,510,068.98/x
  3. Step 3: Cross multiply
    13,555,215.54x = 20,332,830.60 × 8,510,068.98
  4. Step 4: Simplify right side
    13,555,215.54x = 173,033,790,964,654.81
  5. Step 5: Solve for x
    x = 173,033,790,964,654.81/13,555,215.54
  6. Step 6: Final answer
    x = 12,765,108.05

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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.