Finding the Fourth Proportional to 10,289,118.63, 14,199,244.41 and 5,643,088.63
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Solution
The fourth proportional to 10,289,118.63, 14,199,244.41 and 5,643,088.63 is: 7,787,605.29
Step by Step Solution
- Step 1: Write the proportion equation
10,289,118.63 : 14,199,244.41 = 5,643,088.63 : x - Step 2: Convert to fraction form
10,289,118.63/14,199,244.41 = 5,643,088.63/x - Step 3: Cross multiply
10,289,118.63x = 14,199,244.41 × 5,643,088.63 - Step 4: Simplify right side
10,289,118.63x = 80,127,594,684,662.06 - Step 5: Solve for x
x = 80,127,594,684,662.06/10,289,118.63 - Step 6: Final answer
x = 7,787,605.29
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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.