Finding the Fourth Proportional to 6,690,106.84, 9,232,347.45 and 3,634,321.09
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Solution
The fourth proportional to 6,690,106.84, 9,232,347.45 and 3,634,321.09 is: 5,015,363.11
Step by Step Solution
- Step 1: Write the proportion equation
6,690,106.84 : 9,232,347.45 = 3,634,321.09 : x - Step 2: Convert to fraction form
6,690,106.84/9,232,347.45 = 3,634,321.09/x - Step 3: Cross multiply
6,690,106.84x = 9,232,347.45 × 3,634,321.09 - Step 4: Simplify right side
6,690,106.84x = 33,553,315,047,742.71 - Step 5: Solve for x
x = 33,553,315,047,742.71/6,690,106.84 - Step 6: Final answer
x = 5,015,363.11
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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.