Finding the Fourth Proportional to 19,052,789.40, 26,290,952.28 and 10,791,202.80
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Solution
The fourth proportional to 19,052,789.40, 26,290,952.28 and 10,791,202.80 is: 14,890,785.38
Step by Step Solution
- Step 1: Write the proportion equation
19,052,789.40 : 26,290,952.28 = 10,791,202.80 : x - Step 2: Convert to fraction form
19,052,789.40/26,290,952.28 = 10,791,202.80/x - Step 3: Cross multiply
19,052,789.40x = 26,290,952.28 × 10,791,202.80 - Step 4: Simplify right side
19,052,789.40x = 283,710,997,858,602.44 - Step 5: Solve for x
x = 283,710,997,858,602.44/19,052,789.40 - Step 6: Final answer
x = 14,890,785.38
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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.