Home / 21,827,076.78-32,735,028.60-6,470,775.48

Finding the Fourth Proportional to 21,827,076.78, 32,735,028.60 and 6,470,775.48

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Solution

The fourth proportional to 21,827,076.78, 32,735,028.60 and 6,470,775.48 is: 9,704,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,076.78 : 32,735,028.60 = 6,470,775.48 : x
  2. Step 2: Convert to fraction form
    21,827,076.78/32,735,028.60 = 6,470,775.48/x
  3. Step 3: Cross multiply
    21,827,076.78x = 32,735,028.60 × 6,470,775.48
  4. Step 4: Simplify right side
    21,827,076.78x = 211,821,020,401,978.75
  5. Step 5: Solve for x
    x = 211,821,020,401,978.75/21,827,076.78
  6. Step 6: Final answer
    x = 9,704,507.05

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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.