Finding the Fourth Proportional to 12,754,823.70, 19,132,235.55 and 6,377,531.70
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Solution
The fourth proportional to 12,754,823.70, 19,132,235.55 and 6,377,531.70 is: 9,566,297.55
Step by Step Solution
- Step 1: Write the proportion equation
12,754,823.70 : 19,132,235.55 = 6,377,531.70 : x - Step 2: Convert to fraction form
12,754,823.70/19,132,235.55 = 6,377,531.70/x - Step 3: Cross multiply
12,754,823.70x = 19,132,235.55 × 6,377,531.70 - Step 4: Simplify right side
12,754,823.70x = 122,016,438,711,991.94 - Step 5: Solve for x
x = 122,016,438,711,991.94/12,754,823.70 - Step 6: Final answer
x = 9,566,297.55
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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.