Finding the Fourth Proportional to 15,991,712.48, 22,069,084.80 and 8,748,368.48
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Solution
The fourth proportional to 15,991,712.48, 22,069,084.80 and 8,748,368.48 is: 12,073,033.83
Step by Step Solution
- Step 1: Write the proportion equation
15,991,712.48 : 22,069,084.80 = 8,748,368.48 : x - Step 2: Convert to fraction form
15,991,712.48/22,069,084.80 = 8,748,368.48/x - Step 3: Cross multiply
15,991,712.48x = 22,069,084.80 × 8,748,368.48 - Step 4: Simplify right side
15,991,712.48x = 193,068,485,846,767.12 - Step 5: Solve for x
x = 193,068,485,846,767.12/15,991,712.48 - Step 6: Final answer
x = 12,073,033.83
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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.