Home / 26,420,907.60-39,631,361.40-12,072,000.60

Finding the Fourth Proportional to 26,420,907.60, 39,631,361.40 and 12,072,000.60

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Solution

The fourth proportional to 26,420,907.60, 39,631,361.40 and 12,072,000.60 is: 18,108,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420,907.60 : 39,631,361.40 = 12,072,000.60 : x
  2. Step 2: Convert to fraction form
    26,420,907.60/39,631,361.40 = 12,072,000.60/x
  3. Step 3: Cross multiply
    26,420,907.60x = 39,631,361.40 × 12,072,000.60
  4. Step 4: Simplify right side
    26,420,907.60x = 478,429,818,599,616.81
  5. Step 5: Solve for x
    x = 478,429,818,599,616.81/26,420,907.60
  6. Step 6: Final answer
    x = 18,108,000.90

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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.