Finding the Fourth Proportional to 9,506,728.77, 13,119,989.99 and 5,320,832.30
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Solution
The fourth proportional to 9,506,728.77, 13,119,989.99 and 5,320,832.30 is: 7,343,142.76
Step by Step Solution
- Step 1: Write the proportion equation
9,506,728.77 : 13,119,989.99 = 5,320,832.30 : x - Step 2: Convert to fraction form
9,506,728.77/13,119,989.99 = 5,320,832.30/x - Step 3: Cross multiply
9,506,728.77x = 13,119,989.99 × 5,320,832.30 - Step 4: Simplify right side
9,506,728.77x = 69,809,266,514,468.67 - Step 5: Solve for x
x = 69,809,266,514,468.67/9,506,728.77 - Step 6: Final answer
x = 7,343,142.76
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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.