Finding the Fourth Proportional to 8,561,116.08, 11,814,355.98 and 4,640,860.08
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Solution
The fourth proportional to 8,561,116.08, 11,814,355.98 and 4,640,860.08 is: 6,404,395.47
Step by Step Solution
- Step 1: Write the proportion equation
8,561,116.08 : 11,814,355.98 = 4,640,860.08 : x - Step 2: Convert to fraction form
8,561,116.08/11,814,355.98 = 4,640,860.08/x - Step 3: Cross multiply
8,561,116.08x = 11,814,355.98 × 4,640,860.08 - Step 4: Simplify right side
8,561,116.08x = 54,828,773,038,491.28 - Step 5: Solve for x
x = 54,828,773,038,491.28/8,561,116.08 - Step 6: Final answer
x = 6,404,395.47
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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.