Home / 13,355,103.88-18,430,044.57-7,553,760.76

Finding the Fourth Proportional to 13,355,103.88, 18,430,044.57 and 7,553,760.76

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Solution

The fourth proportional to 13,355,103.88, 18,430,044.57 and 7,553,760.76 is: 10,424,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,103.88 : 18,430,044.57 = 7,553,760.76 : x
  2. Step 2: Convert to fraction form
    13,355,103.88/18,430,044.57 = 7,553,760.76/x
  3. Step 3: Cross multiply
    13,355,103.88x = 18,430,044.57 × 7,553,760.76
  4. Step 4: Simplify right side
    13,355,103.88x = 139,216,147,347,998.05
  5. Step 5: Solve for x
    x = 139,216,147,347,998.05/13,355,103.88
  6. Step 6: Final answer
    x = 10,424,190.53

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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.