Finding the Fourth Proportional to 9,709,717.76, 14,490,745.87 and 8,633,577.68
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Solution
The fourth proportional to 9,709,717.76, 14,490,745.87 and 8,633,577.68 is: 12,884,718.51
Step by Step Solution
- Step 1: Write the proportion equation
9,709,717.76 : 14,490,745.87 = 8,633,577.68 : x - Step 2: Convert to fraction form
9,709,717.76/14,490,745.87 = 8,633,577.68/x - Step 3: Cross multiply
9,709,717.76x = 14,490,745.87 × 8,633,577.68 - Step 4: Simplify right side
9,709,717.76x = 125,106,980,109,784.17 - Step 5: Solve for x
x = 125,106,980,109,784.17/9,709,717.76 - Step 6: Final answer
x = 12,884,718.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.