Finding the Fourth Proportional to 13,300,067.84, 19,950,944.60 and 5,622,281.75
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Solution
The fourth proportional to 13,300,067.84, 19,950,944.60 and 5,622,281.75 is: 8,433,778.92
Step by Step Solution
- Step 1: Write the proportion equation
13,300,067.84 : 19,950,944.60 = 5,622,281.75 : x - Step 2: Convert to fraction form
13,300,067.84/19,950,944.60 = 5,622,281.75/x - Step 3: Cross multiply
13,300,067.84x = 19,950,944.60 × 5,622,281.75 - Step 4: Simplify right side
13,300,067.84x = 112,169,831,783,774.12 - Step 5: Solve for x
x = 112,169,831,783,774.12/13,300,067.84 - Step 6: Final answer
x = 8,433,778.92
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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.