Home / 18,326,022.72-25,289,218.46-10,177,785.60

Finding the Fourth Proportional to 18,326,022.72, 25,289,218.46 and 10,177,785.60

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Solution

The fourth proportional to 18,326,022.72, 25,289,218.46 and 10,177,785.60 is: 14,044,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,022.72 : 25,289,218.46 = 10,177,785.60 : x
  2. Step 2: Convert to fraction form
    18,326,022.72/25,289,218.46 = 10,177,785.60/x
  3. Step 3: Cross multiply
    18,326,022.72x = 25,289,218.46 × 10,177,785.60
  4. Step 4: Simplify right side
    18,326,022.72x = 257,388,243,477,442.19
  5. Step 5: Solve for x
    x = 257,388,243,477,442.19/18,326,022.72
  6. Step 6: Final answer
    x = 14,044,959.31

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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.