Home / 13,355,103.38-18,430,043.87-7,553,760.26

Finding the Fourth Proportional to 13,355,103.38, 18,430,043.87 and 7,553,760.26

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Solution

The fourth proportional to 13,355,103.38, 18,430,043.87 and 7,553,760.26 is: 10,424,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,103.38 : 18,430,043.87 = 7,553,760.26 : x
  2. Step 2: Convert to fraction form
    13,355,103.38/18,430,043.87 = 7,553,760.26/x
  3. Step 3: Cross multiply
    13,355,103.38x = 18,430,043.87 × 7,553,760.26
  4. Step 4: Simplify right side
    13,355,103.38x = 139,216,132,901,996.78
  5. Step 5: Solve for x
    x = 139,216,132,901,996.78/13,355,103.38
  6. Step 6: Final answer
    x = 10,424,189.84

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1.5x scale

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.