Finding the Fourth Proportional to 8,894,774.12, 12,249,330.38 and 8,340,518.48
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Solution
The fourth proportional to 8,894,774.12, 12,249,330.38 and 8,340,518.48 is: 11,486,043.94
Step by Step Solution
- Step 1: Write the proportion equation
8,894,774.12 : 12,249,330.38 = 8,340,518.48 : x - Step 2: Convert to fraction form
8,894,774.12/12,249,330.38 = 8,340,518.48/x - Step 3: Cross multiply
8,894,774.12x = 12,249,330.38 × 8,340,518.48 - Step 4: Simplify right side
8,894,774.12x = 102,165,766,402,015.44 - Step 5: Solve for x
x = 102,165,766,402,015.44/8,894,774.12 - Step 6: Final answer
x = 11,486,043.94
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1.5x scale
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.