Finding the Fourth Proportional to 15,551,068.14, 21,460,483.26 and 8,675,550.18
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Solution
The fourth proportional to 15,551,068.14, 21,460,483.26 and 8,675,550.18 is: 11,972,264.40
Step by Step Solution
- Step 1: Write the proportion equation
15,551,068.14 : 21,460,483.26 = 8,675,550.18 : x - Step 2: Convert to fraction form
15,551,068.14/21,460,483.26 = 8,675,550.18/x - Step 3: Cross multiply
15,551,068.14x = 21,460,483.26 × 8,675,550.18 - Step 4: Simplify right side
15,551,068.14x = 186,181,499,409,180 - Step 5: Solve for x
x = 186,181,499,409,180/15,551,068.14 - Step 6: Final answer
x = 11,972,264.40
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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.