Finding the Fourth Proportional to 39,576,047.70, 59,364,071.55 and 19,420,655.70
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Solution
The fourth proportional to 39,576,047.70, 59,364,071.55 and 19,420,655.70 is: 29,130,983.55
Step by Step Solution
- Step 1: Write the proportion equation
39,576,047.70 : 59,364,071.55 = 19,420,655.70 : x - Step 2: Convert to fraction form
39,576,047.70/59,364,071.55 = 19,420,655.70/x - Step 3: Cross multiply
39,576,047.70x = 59,364,071.55 × 19,420,655.70 - Step 4: Simplify right side
39,576,047.70x = 1,152,889,194,522,715.25 - Step 5: Solve for x
x = 1,152,889,194,522,715.25/39,576,047.70 - Step 6: Final answer
x = 29,130,983.55
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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.