Home / 34,378,951.78-47,443,851.01-18,909,442.38

Finding the Fourth Proportional to 34,378,951.78, 47,443,851.01 and 18,909,442.38

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Solution

The fourth proportional to 34,378,951.78, 47,443,851.01 and 18,909,442.38 is: 26,095,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378,951.78 : 47,443,851.01 = 18,909,442.38 : x
  2. Step 2: Convert to fraction form
    34,378,951.78/47,443,851.01 = 18,909,442.38/x
  3. Step 3: Cross multiply
    34,378,951.78x = 47,443,851.01 × 18,909,442.38
  4. Step 4: Simplify right side
    34,378,951.78x = 897,136,767,089,540.62
  5. Step 5: Solve for x
    x = 897,136,767,089,540.62/34,378,951.78
  6. Step 6: Final answer
    x = 26,095,524.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.