Finding the Fourth Proportional to 10,009,134.36, 13,813,201.08 and 5,658,625.51
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Solution
The fourth proportional to 10,009,134.36, 13,813,201.08 and 5,658,625.51 is: 7,809,239.96
Step by Step Solution
- Step 1: Write the proportion equation
10,009,134.36 : 13,813,201.08 = 5,658,625.51 : x - Step 2: Convert to fraction form
10,009,134.36/13,813,201.08 = 5,658,625.51/x - Step 3: Cross multiply
10,009,134.36x = 13,813,201.08 × 5,658,625.51 - Step 4: Simplify right side
10,009,134.36x = 78,163,731,971,514.55 - Step 5: Solve for x
x = 78,163,731,971,514.55/10,009,134.36 - Step 6: Final answer
x = 7,809,239.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.