Finding the Fourth Proportional to 7,129,055.10, 10,693,582.65 and 4,294,703.10
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Solution
The fourth proportional to 7,129,055.10, 10,693,582.65 and 4,294,703.10 is: 6,442,054.65
Step by Step Solution
- Step 1: Write the proportion equation
7,129,055.10 : 10,693,582.65 = 4,294,703.10 : x - Step 2: Convert to fraction form
7,129,055.10/10,693,582.65 = 4,294,703.10/x - Step 3: Cross multiply
7,129,055.10x = 10,693,582.65 × 4,294,703.10 - Step 4: Simplify right side
7,129,055.10x = 45,925,762,557,061.21 - Step 5: Solve for x
x = 45,925,762,557,061.21/7,129,055.10 - Step 6: Final answer
x = 6,442,054.65
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.