Finding the Fourth Proportional to 19,285,566.60, 26,612,322.80 and 11,443,727.38
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Solution
The fourth proportional to 19,285,566.60, 26,612,322.80 and 11,443,727.38 is: 15,791,299.96
Step by Step Solution
- Step 1: Write the proportion equation
19,285,566.60 : 26,612,322.80 = 11,443,727.38 : x - Step 2: Convert to fraction form
19,285,566.60/26,612,322.80 = 11,443,727.38/x - Step 3: Cross multiply
19,285,566.60x = 26,612,322.80 × 11,443,727.38 - Step 4: Simplify right side
19,285,566.60x = 304,544,167,071,758.31 - Step 5: Solve for x
x = 304,544,167,071,758.31/19,285,566.60 - Step 6: Final answer
x = 15,791,299.96
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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.