Finding the Fourth Proportional to 7,845,812.19, 11,768,700.99 and 2,088,547.11
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Solution
The fourth proportional to 7,845,812.19, 11,768,700.99 and 2,088,547.11 is: 3,132,816.06
Step by Step Solution
- Step 1: Write the proportion equation
7,845,812.19 : 11,768,700.99 = 2,088,547.11 : x - Step 2: Convert to fraction form
7,845,812.19/11,768,700.99 = 2,088,547.11/x - Step 3: Cross multiply
7,845,812.19x = 11,768,700.99 × 2,088,547.11 - Step 4: Simplify right side
7,845,812.19x = 24,579,486,441,118.64 - Step 5: Solve for x
x = 24,579,486,441,118.64/7,845,812.19 - Step 6: Final answer
x = 3,132,816.06
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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.