Finding the Fourth Proportional to 14,283,822.05, 19,711,790.16 and 7,757,498.18
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Solution
The fourth proportional to 14,283,822.05, 19,711,790.16 and 7,757,498.18 is: 10,705,410.34
Step by Step Solution
- Step 1: Write the proportion equation
14,283,822.05 : 19,711,790.16 = 7,757,498.18 : x - Step 2: Convert to fraction form
14,283,822.05/19,711,790.16 = 7,757,498.18/x - Step 3: Cross multiply
14,283,822.05x = 19,711,790.16 × 7,757,498.18 - Step 4: Simplify right side
14,283,822.05x = 152,914,176,290,741.91 - Step 5: Solve for x
x = 152,914,176,290,741.91/14,283,822.05 - Step 6: Final answer
x = 10,705,410.34
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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.