Finding the Fourth Proportional to 13,604,550.68, 18,774,280.04 and 7,492,979.18
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Solution
The fourth proportional to 13,604,550.68, 18,774,280.04 and 7,492,979.18 is: 10,340,311.32
Step by Step Solution
- Step 1: Write the proportion equation
13,604,550.68 : 18,774,280.04 = 7,492,979.18 : x - Step 2: Convert to fraction form
13,604,550.68/18,774,280.04 = 7,492,979.18/x - Step 3: Cross multiply
13,604,550.68x = 18,774,280.04 × 7,492,979.18 - Step 4: Simplify right side
13,604,550.68x = 140,675,289,468,680.38 - Step 5: Solve for x
x = 140,675,289,468,680.38/13,604,550.68 - Step 6: Final answer
x = 10,340,311.32
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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.