Finding the Fourth Proportional to 38,802,440.18, 58,187,646.57 and 13,245,508.10
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Solution
The fourth proportional to 38,802,440.18, 58,187,646.57 and 13,245,508.10 is: 19,862,795.75
Step by Step Solution
- Step 1: Write the proportion equation
38,802,440.18 : 58,187,646.57 = 13,245,508.10 : x - Step 2: Convert to fraction form
38,802,440.18/58,187,646.57 = 13,245,508.10/x - Step 3: Cross multiply
38,802,440.18x = 58,187,646.57 × 13,245,508.10 - Step 4: Simplify right side
38,802,440.18x = 770,724,943,962,872.25 - Step 5: Solve for x
x = 770,724,943,962,872.25/38,802,440.18 - Step 6: Final answer
x = 19,862,795.75
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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.