Home / 12,371,136.86-18,556,101.72-4,591,564.89

Finding the Fourth Proportional to 12,371,136.86, 18,556,101.72 and 4,591,564.89

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Solution

The fourth proportional to 12,371,136.86, 18,556,101.72 and 4,591,564.89 is: 6,887,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,136.86 : 18,556,101.72 = 4,591,564.89 : x
  2. Step 2: Convert to fraction form
    12,371,136.86/18,556,101.72 = 4,591,564.89/x
  3. Step 3: Cross multiply
    12,371,136.86x = 18,556,101.72 × 4,591,564.89
  4. Step 4: Simplify right side
    12,371,136.86x = 85,201,545,152,820.59
  5. Step 5: Solve for x
    x = 85,201,545,152,820.59/12,371,136.86
  6. Step 6: Final answer
    x = 6,887,123.32

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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.