Home / 26,947,556.20-40,426,583.10-7,778,938.60

Finding the Fourth Proportional to 26,947,556.20, 40,426,583.10 and 7,778,938.60

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Solution

The fourth proportional to 26,947,556.20, 40,426,583.10 and 7,778,938.60 is: 11,669,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947,556.20 : 40,426,583.10 = 7,778,938.60 : x
  2. Step 2: Convert to fraction form
    26,947,556.20/40,426,583.10 = 7,778,938.60/x
  3. Step 3: Cross multiply
    26,947,556.20x = 40,426,583.10 × 7,778,938.60
  4. Step 4: Simplify right side
    26,947,556.20x = 314,475,907,742,697.69
  5. Step 5: Solve for x
    x = 314,475,907,742,697.69/26,947,556.20
  6. Step 6: Final answer
    x = 11,669,923.07

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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.