Home / 13,634,150.24-18,798,109.30-8,731,311.78

Finding the Fourth Proportional to 13,634,150.24, 18,798,109.30 and 8,731,311.78

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Solution

The fourth proportional to 13,634,150.24, 18,798,109.30 and 8,731,311.78 is: 12,038,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,150.24 : 18,798,109.30 = 8,731,311.78 : x
  2. Step 2: Convert to fraction form
    13,634,150.24/18,798,109.30 = 8,731,311.78/x
  3. Step 3: Cross multiply
    13,634,150.24x = 18,798,109.30 × 8,731,311.78
  4. Step 4: Simplify right side
    13,634,150.24x = 164,132,153,172,817.56
  5. Step 5: Solve for x
    x = 164,132,153,172,817.56/13,634,150.24
  6. Step 6: Final answer
    x = 12,038,311.91

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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.