Home / 13,504,668.90-20,256,973.02-10,435,123.47

Finding the Fourth Proportional to 13,504,668.90, 20,256,973.02 and 10,435,123.47

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Solution

The fourth proportional to 13,504,668.90, 20,256,973.02 and 10,435,123.47 is: 15,652,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,668.90 : 20,256,973.02 = 10,435,123.47 : x
  2. Step 2: Convert to fraction form
    13,504,668.90/20,256,973.02 = 10,435,123.47/x
  3. Step 3: Cross multiply
    13,504,668.90x = 20,256,973.02 × 10,435,123.47
  4. Step 4: Simplify right side
    13,504,668.90x = 211,384,014,668,122.44
  5. Step 5: Solve for x
    x = 211,384,014,668,122.44/13,504,668.90
  6. Step 6: Final answer
    x = 15,652,661.78

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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.