Finding the Fourth Proportional to 9,424,972.68, 13,006,514.44 and 5,295,177.96
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Solution
The fourth proportional to 9,424,972.68, 13,006,514.44 and 5,295,177.96 is: 7,307,374.88
Step by Step Solution
- Step 1: Write the proportion equation
9,424,972.68 : 13,006,514.44 = 5,295,177.96 : x - Step 2: Convert to fraction form
9,424,972.68/13,006,514.44 = 5,295,177.96/x - Step 3: Cross multiply
9,424,972.68x = 13,006,514.44 × 5,295,177.96 - Step 4: Simplify right side
9,424,972.68x = 68,871,808,599,109.74 - Step 5: Solve for x
x = 68,871,808,599,109.74/9,424,972.68 - Step 6: Final answer
x = 7,307,374.88
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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.