Home / 10,851,692.40-16,277,538.60-8,340,025.20

Finding the Fourth Proportional to 10,851,692.40, 16,277,538.60 and 8,340,025.20

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Solution

The fourth proportional to 10,851,692.40, 16,277,538.60 and 8,340,025.20 is: 12,510,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,692.40 : 16,277,538.60 = 8,340,025.20 : x
  2. Step 2: Convert to fraction form
    10,851,692.40/16,277,538.60 = 8,340,025.20/x
  3. Step 3: Cross multiply
    10,851,692.40x = 16,277,538.60 × 8,340,025.20
  4. Step 4: Simplify right side
    10,851,692.40x = 135,755,082,117,972.72
  5. Step 5: Solve for x
    x = 135,755,082,117,972.72/10,851,692.40
  6. Step 6: Final answer
    x = 12,510,037.80

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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.