Finding the Fourth Proportional to 19,830,789.98, 29,747,551.47 and 8,304,652.10
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Solution
The fourth proportional to 19,830,789.98, 29,747,551.47 and 8,304,652.10 is: 12,457,550.41
Step by Step Solution
- Step 1: Write the proportion equation
19,830,789.98 : 29,747,551.47 = 8,304,652.10 : x - Step 2: Convert to fraction form
19,830,789.98/29,747,551.47 = 8,304,652.10/x - Step 3: Cross multiply
19,830,789.98x = 29,747,551.47 × 8,304,652.10 - Step 4: Simplify right side
19,830,789.98x = 247,043,065,785,193.56 - Step 5: Solve for x
x = 247,043,065,785,193.56/19,830,789.98 - Step 6: Final answer
x = 12,457,550.41
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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.