Finding the Fourth Proportional to 17,883,244.80, 26,828,366.40 and 7,648,084.80
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Solution
The fourth proportional to 17,883,244.80, 26,828,366.40 and 7,648,084.80 is: 11,473,623.69
Step by Step Solution
- Step 1: Write the proportion equation
17,883,244.80 : 26,828,366.40 = 7,648,084.80 : x - Step 2: Convert to fraction form
17,883,244.80/26,828,366.40 = 7,648,084.80/x - Step 3: Cross multiply
17,883,244.80x = 26,828,366.40 × 7,648,084.80 - Step 4: Simplify right side
17,883,244.80x = 205,185,621,272,670.72 - Step 5: Solve for x
x = 205,185,621,272,670.72/17,883,244.80 - Step 6: Final answer
x = 11,473,623.69
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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.