Finding the Fourth Proportional to 39,974,702.96, 59,871,242.28 and 31,284,660.08
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Solution
The fourth proportional to 39,974,702.96, 59,871,242.28 and 31,284,660.08 is: 46,855,919.48
Step by Step Solution
- Step 1: Write the proportion equation
39,974,702.96 : 59,871,242.28 = 31,284,660.08 : x - Step 2: Convert to fraction form
39,974,702.96/59,871,242.28 = 31,284,660.08/x - Step 3: Cross multiply
39,974,702.96x = 59,871,242.28 × 31,284,660.08 - Step 4: Simplify right side
39,974,702.96x = 1,873,051,463,297,124 - Step 5: Solve for x
x = 1,873,051,463,297,124/39,974,702.96 - Step 6: Final answer
x = 46,855,919.48
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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.