Finding the Fourth Proportional to 11,081,391.03, 15,293,730.29 and 6,434,250.93
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Solution
The fourth proportional to 11,081,391.03, 15,293,730.29 and 6,434,250.93 is: 8,880,085.37
Step by Step Solution
- Step 1: Write the proportion equation
11,081,391.03 : 15,293,730.29 = 6,434,250.93 : x - Step 2: Convert to fraction form
11,081,391.03/15,293,730.29 = 6,434,250.93/x - Step 3: Cross multiply
11,081,391.03x = 15,293,730.29 × 6,434,250.93 - Step 4: Simplify right side
11,081,391.03x = 98,403,698,309,430.41 - Step 5: Solve for x
x = 98,403,698,309,430.41/11,081,391.03 - Step 6: Final answer
x = 8,880,085.37
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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.