Finding the Fourth Proportional to 10,423,753.93, 14,385,642.23 and 5,778,996.49
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Solution
The fourth proportional to 10,423,753.93, 14,385,642.23 and 5,778,996.49 is: 7,975,492.95
Step by Step Solution
- Step 1: Write the proportion equation
10,423,753.93 : 14,385,642.23 = 5,778,996.49 : x - Step 2: Convert to fraction form
10,423,753.93/14,385,642.23 = 5,778,996.49/x - Step 3: Cross multiply
10,423,753.93x = 14,385,642.23 × 5,778,996.49 - Step 4: Simplify right side
10,423,753.93x = 83,134,575,932,049.16 - Step 5: Solve for x
x = 83,134,575,932,049.16/10,423,753.93 - Step 6: Final answer
x = 7,975,492.95
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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.