Finding the Fourth Proportional to 19,565,373.40, 27,000,267.78 and 10,863,562.84
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Solution
The fourth proportional to 19,565,373.40, 27,000,267.78 and 10,863,562.84 is: 14,991,745.86
Step by Step Solution
- Step 1: Write the proportion equation
19,565,373.40 : 27,000,267.78 = 10,863,562.84 : x - Step 2: Convert to fraction form
19,565,373.40/27,000,267.78 = 10,863,562.84/x - Step 3: Cross multiply
19,565,373.40x = 27,000,267.78 × 10,863,562.84 - Step 4: Simplify right side
19,565,373.40x = 293,319,105,724,857.31 - Step 5: Solve for x
x = 293,319,105,724,857.31/19,565,373.40 - Step 6: Final answer
x = 14,991,745.86
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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.