Finding the Fourth Proportional to 8,464,347.64, 11,685,641.70 and 5,572,146.08
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Solution
The fourth proportional to 8,464,347.64, 11,685,641.70 and 5,572,146.08 is: 7,692,749.09
Step by Step Solution
- Step 1: Write the proportion equation
8,464,347.64 : 11,685,641.70 = 5,572,146.08 : x - Step 2: Convert to fraction form
8,464,347.64/11,685,641.70 = 5,572,146.08/x - Step 3: Cross multiply
8,464,347.64x = 11,685,641.70 × 5,572,146.08 - Step 4: Simplify right side
8,464,347.64x = 65,114,102,590,939.53 - Step 5: Solve for x
x = 65,114,102,590,939.53/8,464,347.64 - Step 6: Final answer
x = 7,692,749.09
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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.