Home / 18,697,567.22-28,043,539.32-5,916,408.74

Finding the Fourth Proportional to 18,697,567.22, 28,043,539.32 and 5,916,408.74

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Solution

The fourth proportional to 18,697,567.22, 28,043,539.32 and 5,916,408.74 is: 8,873,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,567.22 : 28,043,539.32 = 5,916,408.74 : x
  2. Step 2: Convert to fraction form
    18,697,567.22/28,043,539.32 = 5,916,408.74/x
  3. Step 3: Cross multiply
    18,697,567.22x = 28,043,539.32 × 5,916,408.74
  4. Step 4: Simplify right side
    18,697,567.22x = 165,917,041,133,381.66
  5. Step 5: Solve for x
    x = 165,917,041,133,381.66/18,697,567.22
  6. Step 6: Final answer
    x = 8,873,723.47

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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.