Home / 13,394,779.03-18,492,719.21-8,437,469.88

Finding the Fourth Proportional to 13,394,779.03, 18,492,719.21 and 8,437,469.88

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Solution

The fourth proportional to 13,394,779.03, 18,492,719.21 and 8,437,469.88 is: 11,648,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,779.03 : 18,492,719.21 = 8,437,469.88 : x
  2. Step 2: Convert to fraction form
    13,394,779.03/18,492,719.21 = 8,437,469.88/x
  3. Step 3: Cross multiply
    13,394,779.03x = 18,492,719.21 × 8,437,469.88
  4. Step 4: Simplify right side
    13,394,779.03x = 156,031,761,333,672.41
  5. Step 5: Solve for x
    x = 156,031,761,333,672.41/13,394,779.03
  6. Step 6: Final answer
    x = 11,648,699.91

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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.