Finding the Fourth Proportional to 7,759,899.68, 10,707,564.48 and 4,406,951.84
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Solution
The fourth proportional to 7,759,899.68, 10,707,564.48 and 4,406,951.84 is: 6,080,970.49
Step by Step Solution
- Step 1: Write the proportion equation
7,759,899.68 : 10,707,564.48 = 4,406,951.84 : x - Step 2: Convert to fraction form
7,759,899.68/10,707,564.48 = 4,406,951.84/x - Step 3: Cross multiply
7,759,899.68x = 10,707,564.48 × 4,406,951.84 - Step 4: Simplify right side
7,759,899.68x = 47,187,720,987,054.64 - Step 5: Solve for x
x = 47,187,720,987,054.64/7,759,899.68 - Step 6: Final answer
x = 6,080,970.49
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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.