Home / 13,140,145.20-19,710,266.24-4,042,179.76

Finding the Fourth Proportional to 13,140,145.20, 19,710,266.24 and 4,042,179.76

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Solution

The fourth proportional to 13,140,145.20, 19,710,266.24 and 4,042,179.76 is: 6,063,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,145.20 : 19,710,266.24 = 4,042,179.76 : x
  2. Step 2: Convert to fraction form
    13,140,145.20/19,710,266.24 = 4,042,179.76/x
  3. Step 3: Cross multiply
    13,140,145.20x = 19,710,266.24 × 4,042,179.76
  4. Step 4: Simplify right side
    13,140,145.20x = 79,672,439,259,539.30
  5. Step 5: Solve for x
    x = 79,672,439,259,539.30/13,140,145.20
  6. Step 6: Final answer
    x = 6,063,284.54

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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.