Finding the Fourth Proportional to 19,624,197.74, 29,433,978.36 and 5,248,379.70
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Solution
The fourth proportional to 19,624,197.74, 29,433,978.36 and 5,248,379.70 is: 7,871,949.55
Step by Step Solution
- Step 1: Write the proportion equation
19,624,197.74 : 29,433,978.36 = 5,248,379.70 : x - Step 2: Convert to fraction form
19,624,197.74/29,433,978.36 = 5,248,379.70/x - Step 3: Cross multiply
19,624,197.74x = 29,433,978.36 × 5,248,379.70 - Step 4: Simplify right side
19,624,197.74x = 154,480,694,514,863.28 - Step 5: Solve for x
x = 154,480,694,514,863.28/19,624,197.74 - Step 6: Final answer
x = 7,871,949.55
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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.