Home / 30,483,491.40-42,067,257.86-16,544,845.76

Finding the Fourth Proportional to 30,483,491.40, 42,067,257.86 and 16,544,845.76

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Solution

The fourth proportional to 30,483,491.40, 42,067,257.86 and 16,544,845.76 is: 22,831,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483,491.40 : 42,067,257.86 = 16,544,845.76 : x
  2. Step 2: Convert to fraction form
    30,483,491.40/42,067,257.86 = 16,544,845.76/x
  3. Step 3: Cross multiply
    30,483,491.40x = 42,067,257.86 × 16,544,845.76
  4. Step 4: Simplify right side
    30,483,491.40x = 695,996,292,670,873.50
  5. Step 5: Solve for x
    x = 695,996,292,670,873.50/30,483,491.40
  6. Step 6: Final answer
    x = 22,831,908.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.