Finding the Fourth Proportional to 8,326,710.79, 11,484,520.73 and 7,167,130.63
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Solution
The fourth proportional to 8,326,710.79, 11,484,520.73 and 7,167,130.63 is: 9,885,183.04
Step by Step Solution
- Step 1: Write the proportion equation
8,326,710.79 : 11,484,520.73 = 7,167,130.63 : x - Step 2: Convert to fraction form
8,326,710.79/11,484,520.73 = 7,167,130.63/x - Step 3: Cross multiply
8,326,710.79x = 11,484,520.73 × 7,167,130.63 - Step 4: Simplify right side
8,326,710.79x = 82,311,060,257,182.75 - Step 5: Solve for x
x = 82,311,060,257,182.75/8,326,710.79 - Step 6: Final answer
x = 9,885,183.04
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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.