Home / 12,193,940.58-18,289,130.37-3,555,719.76

Finding the Fourth Proportional to 12,193,940.58, 18,289,130.37 and 3,555,719.76

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Solution

The fourth proportional to 12,193,940.58, 18,289,130.37 and 3,555,719.76 is: 5,333,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,940.58 : 18,289,130.37 = 3,555,719.76 : x
  2. Step 2: Convert to fraction form
    12,193,940.58/18,289,130.37 = 3,555,719.76/x
  3. Step 3: Cross multiply
    12,193,940.58x = 18,289,130.37 × 3,555,719.76
  4. Step 4: Simplify right side
    12,193,940.58x = 65,031,022,249,825.11
  5. Step 5: Solve for x
    x = 65,031,022,249,825.11/12,193,940.58
  6. Step 6: Final answer
    x = 5,333,060.45

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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.