Finding the Fourth Proportional to 7,653,781.08, 10,562,964.70 and 5,716,682.28
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Solution
The fourth proportional to 7,653,781.08, 10,562,964.70 and 5,716,682.28 is: 7,889,579.35
Step by Step Solution
- Step 1: Write the proportion equation
7,653,781.08 : 10,562,964.70 = 5,716,682.28 : x - Step 2: Convert to fraction form
7,653,781.08/10,562,964.70 = 5,716,682.28/x - Step 3: Cross multiply
7,653,781.08x = 10,562,964.70 × 5,716,682.28 - Step 4: Simplify right side
7,653,781.08x = 60,385,113,124,755.52 - Step 5: Solve for x
x = 60,385,113,124,755.52/7,653,781.08 - Step 6: Final answer
x = 7,889,579.35
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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.