Home / 19,318,332.94-28,939,636.77-11,214,315.34

Finding the Fourth Proportional to 19,318,332.94, 28,939,636.77 and 11,214,315.34

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Solution

The fourth proportional to 19,318,332.94, 28,939,636.77 and 11,214,315.34 is: 16,799,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,332.94 : 28,939,636.77 = 11,214,315.34 : x
  2. Step 2: Convert to fraction form
    19,318,332.94/28,939,636.77 = 11,214,315.34/x
  3. Step 3: Cross multiply
    19,318,332.94x = 28,939,636.77 × 11,214,315.34
  4. Step 4: Simplify right side
    19,318,332.94x = 324,538,212,563,839.06
  5. Step 5: Solve for x
    x = 324,538,212,563,839.06/19,318,332.94
  6. Step 6: Final answer
    x = 16,799,493.70

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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.