Finding the Fourth Proportional to 8,676,613.80, 13,014,920.70 and 6,437,125.80
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Solution
The fourth proportional to 8,676,613.80, 13,014,920.70 and 6,437,125.80 is: 9,655,688.70
Step by Step Solution
- Step 1: Write the proportion equation
8,676,613.80 : 13,014,920.70 = 6,437,125.80 : x - Step 2: Convert to fraction form
8,676,613.80/13,014,920.70 = 6,437,125.80/x - Step 3: Cross multiply
8,676,613.80x = 13,014,920.70 × 6,437,125.80 - Step 4: Simplify right side
8,676,613.80x = 83,778,681,822,924.05 - Step 5: Solve for x
x = 83,778,681,822,924.05/8,676,613.80 - Step 6: Final answer
x = 9,655,688.70
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.