Finding the Fourth Proportional to 10,146,397.68, 14,001,657.24 and 5,562,618.48
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Solution
The fourth proportional to 10,146,397.68, 14,001,657.24 and 5,562,618.48 is: 7,676,209.80
Step by Step Solution
- Step 1: Write the proportion equation
10,146,397.68 : 14,001,657.24 = 5,562,618.48 : x - Step 2: Convert to fraction form
10,146,397.68/14,001,657.24 = 5,562,618.48/x - Step 3: Cross multiply
10,146,397.68x = 14,001,657.24 × 5,562,618.48 - Step 4: Simplify right side
10,146,397.68x = 77,885,877,313,849.80 - Step 5: Solve for x
x = 77,885,877,313,849.80/10,146,397.68 - Step 6: Final answer
x = 7,676,209.80
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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.