Home / 12,775,509.88-19,065,491.87-11,412,364.12

Finding the Fourth Proportional to 12,775,509.88, 19,065,491.87 and 11,412,364.12

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Solution

The fourth proportional to 12,775,509.88, 19,065,491.87 and 11,412,364.12 is: 17,031,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,509.88 : 19,065,491.87 = 11,412,364.12 : x
  2. Step 2: Convert to fraction form
    12,775,509.88/19,065,491.87 = 11,412,364.12/x
  3. Step 3: Cross multiply
    12,775,509.88x = 19,065,491.87 × 11,412,364.12
  4. Step 4: Simplify right side
    12,775,509.88x = 217,582,335,347,339.69
  5. Step 5: Solve for x
    x = 217,582,335,347,339.69/12,775,509.88
  6. Step 6: Final answer
    x = 17,031,205.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.