Finding the Fourth Proportional to 8,891,722.64, 12,266,062.68 and 5,623,032.40
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Solution
The fourth proportional to 8,891,722.64, 12,266,062.68 and 5,623,032.40 is: 7,756,929.75
Step by Step Solution
- Step 1: Write the proportion equation
8,891,722.64 : 12,266,062.68 = 5,623,032.40 : x - Step 2: Convert to fraction form
8,891,722.64/12,266,062.68 = 5,623,032.40/x - Step 3: Cross multiply
8,891,722.64x = 12,266,062.68 × 5,623,032.40 - Step 4: Simplify right side
8,891,722.64x = 68,972,467,870,070.84 - Step 5: Solve for x
x = 68,972,467,870,070.84/8,891,722.64 - Step 6: Final answer
x = 7,756,929.75
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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.