Finding the Fourth Proportional to 11,316,703.86, 15,617,403.54 and 6,160,409.10
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Solution
The fourth proportional to 11,316,703.86, 15,617,403.54 and 6,160,409.10 is: 8,501,556.29
Step by Step Solution
- Step 1: Write the proportion equation
11,316,703.86 : 15,617,403.54 = 6,160,409.10 : x - Step 2: Convert to fraction form
11,316,703.86/15,617,403.54 = 6,160,409.10/x - Step 3: Cross multiply
11,316,703.86x = 15,617,403.54 × 6,160,409.10 - Step 4: Simplify right side
11,316,703.86x = 96,209,594,886,188.20 - Step 5: Solve for x
x = 96,209,594,886,188.20/11,316,703.86 - Step 6: Final answer
x = 8,501,556.29
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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.