Finding the Fourth Proportional to 11,886,335.35, 16,403,203.29 and 6,730,701.55
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Solution
The fourth proportional to 11,886,335.35, 16,403,203.29 and 6,730,701.55 is: 9,288,402.40
Step by Step Solution
- Step 1: Write the proportion equation
11,886,335.35 : 16,403,203.29 = 6,730,701.55 : x - Step 2: Convert to fraction form
11,886,335.35/16,403,203.29 = 6,730,701.55/x - Step 3: Cross multiply
11,886,335.35x = 16,403,203.29 × 6,730,701.55 - Step 4: Simplify right side
11,886,335.35x = 110,405,065,808,968.09 - Step 5: Solve for x
x = 110,405,065,808,968.09/11,886,335.35 - Step 6: Final answer
x = 9,288,402.40
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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.