Finding the Fourth Proportional to 7,233,686.01, 9,990,771.66 and 4,763,946.99
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Solution
The fourth proportional to 7,233,686.01, 9,990,771.66 and 4,763,946.99 is: 6,579,703.14
Step by Step Solution
- Step 1: Write the proportion equation
7,233,686.01 : 9,990,771.66 = 4,763,946.99 : x - Step 2: Convert to fraction form
7,233,686.01/9,990,771.66 = 4,763,946.99/x - Step 3: Cross multiply
7,233,686.01x = 9,990,771.66 × 4,763,946.99 - Step 4: Simplify right side
7,233,686.01x = 47,595,506,577,434.30 - Step 5: Solve for x
x = 47,595,506,577,434.30/7,233,686.01 - Step 6: Final answer
x = 6,579,703.14
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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.