Finding the Fourth Proportional to 7,759,885.68, 10,707,545.16 and 4,406,937.84
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Solution
The fourth proportional to 7,759,885.68, 10,707,545.16 and 4,406,937.84 is: 6,080,951.17
Step by Step Solution
- Step 1: Write the proportion equation
7,759,885.68 : 10,707,545.16 = 4,406,937.84 : x - Step 2: Convert to fraction form
7,759,885.68/10,707,545.16 = 4,406,937.84/x - Step 3: Cross multiply
7,759,885.68x = 10,707,545.16 × 4,406,937.84 - Step 4: Simplify right side
7,759,885.68x = 47,187,485,939,112.85 - Step 5: Solve for x
x = 47,187,485,939,112.85/7,759,885.68 - Step 6: Final answer
x = 6,080,951.17
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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.