Home / 11,105,631.51-16,651,719.45-7,262,815.52

Finding the Fourth Proportional to 11,105,631.51, 16,651,719.45 and 7,262,815.52

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Solution

The fourth proportional to 11,105,631.51, 16,651,719.45 and 7,262,815.52 is: 10,889,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105,631.51 : 16,651,719.45 = 7,262,815.52 : x
  2. Step 2: Convert to fraction form
    11,105,631.51/16,651,719.45 = 7,262,815.52/x
  3. Step 3: Cross multiply
    11,105,631.51x = 16,651,719.45 × 7,262,815.52
  4. Step 4: Simplify right side
    11,105,631.51x = 120,938,366,456,145.84
  5. Step 5: Solve for x
    x = 120,938,366,456,145.84/11,105,631.51
  6. Step 6: Final answer
    x = 10,889,823.45

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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.