Home / 30,361,584-45,542,419.80-12,410,688

Finding the Fourth Proportional to 30,361,584, 45,542,419.80 and 12,410,688

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Solution

The fourth proportional to 30,361,584, 45,542,419.80 and 12,410,688 is: 18,616,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361,584 : 45,542,419.80 = 12,410,688 : x
  2. Step 2: Convert to fraction form
    30,361,584/45,542,419.80 = 12,410,688/x
  3. Step 3: Cross multiply
    30,361,584x = 45,542,419.80 × 12,410,688
  4. Step 4: Simplify right side
    30,361,584x = 565,212,762,902,822.38
  5. Step 5: Solve for x
    x = 565,212,762,902,822.38/30,361,584
  6. Step 6: Final answer
    x = 18,616,049.90

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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.