Home / 30,560,996.76-45,787,683.96-28,740,478.80

Finding the Fourth Proportional to 30,560,996.76, 45,787,683.96 and 28,740,478.80

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Solution

The fourth proportional to 30,560,996.76, 45,787,683.96 and 28,740,478.80 is: 43,060,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560,996.76 : 45,787,683.96 = 28,740,478.80 : x
  2. Step 2: Convert to fraction form
    30,560,996.76/45,787,683.96 = 28,740,478.80/x
  3. Step 3: Cross multiply
    30,560,996.76x = 45,787,683.96 × 28,740,478.80
  4. Step 4: Simplify right side
    30,560,996.76x = 1,315,959,960,153,480
  5. Step 5: Solve for x
    x = 1,315,959,960,153,480/30,560,996.76
  6. Step 6: Final answer
    x = 43,060,112.55

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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.