Finding the Fourth Proportional to 9,207,309.36, 12,707,232.47 and 5,288,292.84
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Solution
The fourth proportional to 9,207,309.36, 12,707,232.47 and 5,288,292.84 is: 7,298,502.08
Step by Step Solution
- Step 1: Write the proportion equation
9,207,309.36 : 12,707,232.47 = 5,288,292.84 : x - Step 2: Convert to fraction form
9,207,309.36/12,707,232.47 = 5,288,292.84/x - Step 3: Cross multiply
9,207,309.36x = 12,707,232.47 × 5,288,292.84 - Step 4: Simplify right side
9,207,309.36x = 67,199,566,487,316.52 - Step 5: Solve for x
x = 67,199,566,487,316.52/9,207,309.36 - Step 6: Final answer
x = 7,298,502.08
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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.