Finding the Fourth Proportional to 7,875,224.30, 11,818,366.05 and 3,390,718.70
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Solution
The fourth proportional to 7,875,224.30, 11,818,366.05 and 3,390,718.70 is: 5,088,458.85
Step by Step Solution
- Step 1: Write the proportion equation
7,875,224.30 : 11,818,366.05 = 3,390,718.70 : x - Step 2: Convert to fraction form
7,875,224.30/11,818,366.05 = 3,390,718.70/x - Step 3: Cross multiply
7,875,224.30x = 11,818,366.05 × 3,390,718.70 - Step 4: Simplify right side
7,875,224.30x = 40,072,754,769,180.14 - Step 5: Solve for x
x = 40,072,754,769,180.14/7,875,224.30 - Step 6: Final answer
x = 5,088,458.85
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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.