Home / 30,576,097.20-45,864,145.80-12,380,257.20

Finding the Fourth Proportional to 30,576,097.20, 45,864,145.80 and 12,380,257.20

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Solution

The fourth proportional to 30,576,097.20, 45,864,145.80 and 12,380,257.20 is: 18,570,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576,097.20 : 45,864,145.80 = 12,380,257.20 : x
  2. Step 2: Convert to fraction form
    30,576,097.20/45,864,145.80 = 12,380,257.20/x
  3. Step 3: Cross multiply
    30,576,097.20x = 45,864,145.80 × 12,380,257.20
  4. Step 4: Simplify right side
    30,576,097.20x = 567,809,921,262,299.75
  5. Step 5: Solve for x
    x = 567,809,921,262,299.75/30,576,097.20
  6. Step 6: Final answer
    x = 18,570,385.80

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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.