Finding the Fourth Proportional to 21,546,270.93, 32,319,193.40 and 9,871,330.74
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Solution
The fourth proportional to 21,546,270.93, 32,319,193.40 and 9,871,330.74 is: 14,806,898.52
Step by Step Solution
- Step 1: Write the proportion equation
21,546,270.93 : 32,319,193.40 = 9,871,330.74 : x - Step 2: Convert to fraction form
21,546,270.93/32,319,193.40 = 9,871,330.74/x - Step 3: Cross multiply
21,546,270.93x = 32,319,193.40 × 9,871,330.74 - Step 4: Simplify right side
21,546,270.93x = 319,033,447,090,472.50 - Step 5: Solve for x
x = 319,033,447,090,472.50/21,546,270.93 - Step 6: Final answer
x = 14,806,898.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.