Finding the Fourth Proportional to 7,417,011.97, 10,234,989.39 and 4,153,078.63
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Solution
The fourth proportional to 7,417,011.97, 10,234,989.39 and 4,153,078.63 is: 5,730,975.75
Step by Step Solution
- Step 1: Write the proportion equation
7,417,011.97 : 10,234,989.39 = 4,153,078.63 : x - Step 2: Convert to fraction form
7,417,011.97/10,234,989.39 = 4,153,078.63/x - Step 3: Cross multiply
7,417,011.97x = 10,234,989.39 × 4,153,078.63 - Step 4: Simplify right side
7,417,011.97x = 42,506,715,713,885.73 - Step 5: Solve for x
x = 42,506,715,713,885.73/7,417,011.97 - Step 6: Final answer
x = 5,730,975.75
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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.