Home / 19,318,336.94-28,939,642.76-11,214,319.34

Finding the Fourth Proportional to 19,318,336.94, 28,939,642.76 and 11,214,319.34

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Solution

The fourth proportional to 19,318,336.94, 28,939,642.76 and 11,214,319.34 is: 16,799,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,336.94 : 28,939,642.76 = 11,214,319.34 : x
  2. Step 2: Convert to fraction form
    19,318,336.94/28,939,642.76 = 11,214,319.34/x
  3. Step 3: Cross multiply
    19,318,336.94x = 28,939,642.76 × 11,214,319.34
  4. Step 4: Simplify right side
    19,318,336.94x = 324,538,395,496,159
  5. Step 5: Solve for x
    x = 324,538,395,496,159/19,318,336.94
  6. Step 6: Final answer
    x = 16,799,499.69

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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.