Finding the Fourth Proportional to 7,757,740.74, 10,705,682.12 and 4,496,447.15
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Solution
The fourth proportional to 7,757,740.74, 10,705,682.12 and 4,496,447.15 is: 6,205,097.00
Step by Step Solution
- Step 1: Write the proportion equation
7,757,740.74 : 10,705,682.12 = 4,496,447.15 : x - Step 2: Convert to fraction form
7,757,740.74/10,705,682.12 = 4,496,447.15/x - Step 3: Cross multiply
7,757,740.74x = 10,705,682.12 × 4,496,447.15 - Step 4: Simplify right side
7,757,740.74x = 48,137,533,781,269.30 - Step 5: Solve for x
x = 48,137,533,781,269.30/7,757,740.74 - Step 6: Final answer
x = 6,205,097.00
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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.