Finding the Fourth Proportional to 7,759,725.97, 10,707,323.52 and 4,406,776.13
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Solution
The fourth proportional to 7,759,725.97, 10,707,323.52 and 4,406,776.13 is: 6,080,727.32
Step by Step Solution
- Step 1: Write the proportion equation
7,759,725.97 : 10,707,323.52 = 4,406,776.13 : x - Step 2: Convert to fraction form
7,759,725.97/10,707,323.52 = 4,406,776.13/x - Step 3: Cross multiply
7,759,725.97x = 10,707,323.52 × 4,406,776.13 - Step 4: Simplify right side
7,759,725.97x = 47,184,777,704,123.58 - Step 5: Solve for x
x = 47,184,777,704,123.58/7,759,725.97 - Step 6: Final answer
x = 6,080,727.32
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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.