Finding the Fourth Proportional to 19,830,785.00, 29,747,543.99 and 8,304,647.11
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Solution
The fourth proportional to 19,830,785.00, 29,747,543.99 and 8,304,647.11 is: 12,457,542.91
Step by Step Solution
- Step 1: Write the proportion equation
19,830,785.00 : 29,747,543.99 = 8,304,647.11 : x - Step 2: Convert to fraction form
19,830,785.00/29,747,543.99 = 8,304,647.11/x - Step 3: Cross multiply
19,830,785.00x = 29,747,543.99 × 8,304,647.11 - Step 4: Simplify right side
19,830,785.00x = 247,042,855,110,259.28 - Step 5: Solve for x
x = 247,042,855,110,259.28/19,830,785.00 - Step 6: Final answer
x = 12,457,542.91
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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.