Home / 8,311,692.70-12,457,041.45-4,042,668.70

Finding the Fourth Proportional to 8,311,692.70, 12,457,041.45 and 4,042,668.70

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Solution

The fourth proportional to 8,311,692.70, 12,457,041.45 and 4,042,668.70 is: 6,058,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,692.70 : 12,457,041.45 = 4,042,668.70 : x
  2. Step 2: Convert to fraction form
    8,311,692.70/12,457,041.45 = 4,042,668.70/x
  3. Step 3: Cross multiply
    8,311,692.70x = 12,457,041.45 × 4,042,668.70
  4. Step 4: Simplify right side
    8,311,692.70x = 50,359,691,564,517.62
  5. Step 5: Solve for x
    x = 50,359,691,564,517.62/8,311,692.70
  6. Step 6: Final answer
    x = 6,058,897.19

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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.