Home / 13,140,147.24-19,710,269.28-4,042,181.79

Finding the Fourth Proportional to 13,140,147.24, 19,710,269.28 and 4,042,181.79

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Solution

The fourth proportional to 13,140,147.24, 19,710,269.28 and 4,042,181.79 is: 6,063,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,147.24 : 19,710,269.28 = 4,042,181.79 : x
  2. Step 2: Convert to fraction form
    13,140,147.24/19,710,269.28 = 4,042,181.79/x
  3. Step 3: Cross multiply
    13,140,147.24x = 19,710,269.28 × 4,042,181.79
  4. Step 4: Simplify right side
    13,140,147.24x = 79,672,491,559,612.42
  5. Step 5: Solve for x
    x = 79,672,491,559,612.42/13,140,147.24
  6. Step 6: Final answer
    x = 6,063,287.58

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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.