Home / 7,884,015.70-11,826,023.55-6,289,692.70

Finding the Fourth Proportional to 7,884,015.70, 11,826,023.55 and 6,289,692.70

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Solution

The fourth proportional to 7,884,015.70, 11,826,023.55 and 6,289,692.70 is: 9,434,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,015.70 : 11,826,023.55 = 6,289,692.70 : x
  2. Step 2: Convert to fraction form
    7,884,015.70/11,826,023.55 = 6,289,692.70/x
  3. Step 3: Cross multiply
    7,884,015.70x = 11,826,023.55 × 6,289,692.70
  4. Step 4: Simplify right side
    7,884,015.70x = 74,382,053,992,463.09
  5. Step 5: Solve for x
    x = 74,382,053,992,463.09/7,884,015.70
  6. Step 6: Final answer
    x = 9,434,539.05

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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.