Finding the Fourth Proportional to 7,656,572.16, 10,566,541.44 and 4,218,812.28
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Solution
The fourth proportional to 7,656,572.16, 10,566,541.44 and 4,218,812.28 is: 5,822,220.94
Step by Step Solution
- Step 1: Write the proportion equation
7,656,572.16 : 10,566,541.44 = 4,218,812.28 : x - Step 2: Convert to fraction form
7,656,572.16/10,566,541.44 = 4,218,812.28/x - Step 3: Cross multiply
7,656,572.16x = 10,566,541.44 × 4,218,812.28 - Step 4: Simplify right side
7,656,572.16x = 44,578,254,784,200.88 - Step 5: Solve for x
x = 44,578,254,784,200.88/7,656,572.16 - Step 6: Final answer
x = 5,822,220.94
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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.