Finding the Fourth Proportional to 19,948,207.76, 27,528,652.68 and 10,780,828.88
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Solution
The fourth proportional to 19,948,207.76, 27,528,652.68 and 10,780,828.88 is: 14,877,611.93
Step by Step Solution
- Step 1: Write the proportion equation
19,948,207.76 : 27,528,652.68 = 10,780,828.88 : x - Step 2: Convert to fraction form
19,948,207.76/27,528,652.68 = 10,780,828.88/x - Step 3: Cross multiply
19,948,207.76x = 27,528,652.68 × 10,780,828.88 - Step 4: Simplify right side
19,948,207.76x = 296,781,693,840,033.44 - Step 5: Solve for x
x = 296,781,693,840,033.44/19,948,207.76 - Step 6: Final answer
x = 14,877,611.93
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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.