Home / 30,380,913.96-45,571,267.26-12,430,017.96

Finding the Fourth Proportional to 30,380,913.96, 45,571,267.26 and 12,430,017.96

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Solution

The fourth proportional to 30,380,913.96, 45,571,267.26 and 12,430,017.96 is: 18,644,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380,913.96 : 45,571,267.26 = 12,430,017.96 : x
  2. Step 2: Convert to fraction form
    30,380,913.96/45,571,267.26 = 12,430,017.96/x
  3. Step 3: Cross multiply
    30,380,913.96x = 45,571,267.26 × 12,430,017.96
  4. Step 4: Simplify right side
    30,380,913.96x = 566,451,670,501,760
  5. Step 5: Solve for x
    x = 566,451,670,501,760/30,380,913.96
  6. Step 6: Final answer
    x = 18,644,984.52

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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.