Finding the Fourth Proportional to 10,118,724.62, 13,963,839.98 and 5,472,509.63
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Solution
The fourth proportional to 10,118,724.62, 13,963,839.98 and 5,472,509.63 is: 7,552,063.28
Step by Step Solution
- Step 1: Write the proportion equation
10,118,724.62 : 13,963,839.98 = 5,472,509.63 : x - Step 2: Convert to fraction form
10,118,724.62/13,963,839.98 = 5,472,509.63/x - Step 3: Cross multiply
10,118,724.62x = 13,963,839.98 × 5,472,509.63 - Step 4: Simplify right side
10,118,724.62x = 76,417,248,714,306.25 - Step 5: Solve for x
x = 76,417,248,714,306.25/10,118,724.62 - Step 6: Final answer
x = 7,552,063.28
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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.