Home / 21,505,962.60-32,258,943.90-8,040,004.20

Finding the Fourth Proportional to 21,505,962.60, 32,258,943.90 and 8,040,004.20

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Solution

The fourth proportional to 21,505,962.60, 32,258,943.90 and 8,040,004.20 is: 12,060,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,962.60 : 32,258,943.90 = 8,040,004.20 : x
  2. Step 2: Convert to fraction form
    21,505,962.60/32,258,943.90 = 8,040,004.20/x
  3. Step 3: Cross multiply
    21,505,962.60x = 32,258,943.90 × 8,040,004.20
  4. Step 4: Simplify right side
    21,505,962.60x = 259,362,044,443,564.38
  5. Step 5: Solve for x
    x = 259,362,044,443,564.38/21,505,962.60
  6. Step 6: Final answer
    x = 12,060,006.30

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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.