Home / 26,650,890.30-39,985,666.65-11,515,683.90

Finding the Fourth Proportional to 26,650,890.30, 39,985,666.65 and 11,515,683.90

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Solution

The fourth proportional to 26,650,890.30, 39,985,666.65 and 11,515,683.90 is: 17,277,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650,890.30 : 39,985,666.65 = 11,515,683.90 : x
  2. Step 2: Convert to fraction form
    26,650,890.30/39,985,666.65 = 11,515,683.90/x
  3. Step 3: Cross multiply
    26,650,890.30x = 39,985,666.65 × 11,515,683.90
  4. Step 4: Simplify right side
    26,650,890.30x = 460,462,297,672,171.94
  5. Step 5: Solve for x
    x = 460,462,297,672,171.94/26,650,890.30
  6. Step 6: Final answer
    x = 17,277,557.80

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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.