Finding the Fourth Proportional to 26,881,603.70, 40,322,405.55 and 6,686,845.70
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Solution
The fourth proportional to 26,881,603.70, 40,322,405.55 and 6,686,845.70 is: 10,030,268.55
Step by Step Solution
- Step 1: Write the proportion equation
26,881,603.70 : 40,322,405.55 = 6,686,845.70 : x - Step 2: Convert to fraction form
26,881,603.70/40,322,405.55 = 6,686,845.70/x - Step 3: Cross multiply
26,881,603.70x = 40,322,405.55 × 6,686,845.70 - Step 4: Simplify right side
26,881,603.70x = 269,629,704,165,673.62 - Step 5: Solve for x
x = 269,629,704,165,673.62/26,881,603.70 - Step 6: Final answer
x = 10,030,268.55
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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.