Finding the Fourth Proportional to 19,745,295.56, 27,248,350.98 and 11,043,461.31
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Solution
The fourth proportional to 19,745,295.56, 27,248,350.98 and 11,043,461.31 is: 15,239,888.86
Step by Step Solution
- Step 1: Write the proportion equation
19,745,295.56 : 27,248,350.98 = 11,043,461.31 : x - Step 2: Convert to fraction form
19,745,295.56/27,248,350.98 = 11,043,461.31/x - Step 3: Cross multiply
19,745,295.56x = 27,248,350.98 × 11,043,461.31 - Step 4: Simplify right side
19,745,295.56x = 300,916,109,808,930.62 - Step 5: Solve for x
x = 300,916,109,808,930.62/19,745,295.56 - Step 6: Final answer
x = 15,239,888.86
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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.