Finding the Fourth Proportional to 8,506,948.08, 11,739,546.36 and 4,639,398.96
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Solution
The fourth proportional to 8,506,948.08, 11,739,546.36 and 4,639,398.96 is: 6,402,347.66
Step by Step Solution
- Step 1: Write the proportion equation
8,506,948.08 : 11,739,546.36 = 4,639,398.96 : x - Step 2: Convert to fraction form
8,506,948.08/11,739,546.36 = 4,639,398.96/x - Step 3: Cross multiply
8,506,948.08x = 11,739,546.36 × 4,639,398.96 - Step 4: Simplify right side
8,506,948.08x = 54,464,439,173,455.78 - Step 5: Solve for x
x = 54,464,439,173,455.78/8,506,948.08 - Step 6: Final answer
x = 6,402,347.66
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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.