Finding the Fourth Proportional to 19,624,197.99, 29,433,978.74 and 5,248,379.95
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Solution
The fourth proportional to 19,624,197.99, 29,433,978.74 and 5,248,379.95 is: 7,871,949.92
Step by Step Solution
- Step 1: Write the proportion equation
19,624,197.99 : 29,433,978.74 = 5,248,379.95 : x - Step 2: Convert to fraction form
19,624,197.99/29,433,978.74 = 5,248,379.95/x - Step 3: Cross multiply
19,624,197.99x = 29,433,978.74 × 5,248,379.95 - Step 4: Simplify right side
19,624,197.99x = 154,480,703,841,500.38 - Step 5: Solve for x
x = 154,480,703,841,500.38/19,624,197.99 - Step 6: Final answer
x = 7,871,949.92
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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.