Finding the Fourth Proportional to 10,281,403.49, 14,194,788.19 and 6,616,688.75
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Solution
The fourth proportional to 10,281,403.49, 14,194,788.19 and 6,616,688.75 is: 9,135,182.31
Step by Step Solution
- Step 1: Write the proportion equation
10,281,403.49 : 14,194,788.19 = 6,616,688.75 : x - Step 2: Convert to fraction form
10,281,403.49/14,194,788.19 = 6,616,688.75/x - Step 3: Cross multiply
10,281,403.49x = 14,194,788.19 × 6,616,688.75 - Step 4: Simplify right side
10,281,403.49x = 93,922,495,254,431.92 - Step 5: Solve for x
x = 93,922,495,254,431.92/10,281,403.49 - Step 6: Final answer
x = 9,135,182.31
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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.