Finding the Fourth Proportional to 10,458,321.95, 15,688,386.99 and 2,885,287.70
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Solution
The fourth proportional to 10,458,321.95, 15,688,386.99 and 2,885,287.70 is: 4,328,180.97
Step by Step Solution
- Step 1: Write the proportion equation
10,458,321.95 : 15,688,386.99 = 2,885,287.70 : x - Step 2: Convert to fraction form
10,458,321.95/15,688,386.99 = 2,885,287.70/x - Step 3: Cross multiply
10,458,321.95x = 15,688,386.99 × 2,885,287.70 - Step 4: Simplify right side
10,458,321.95x = 45,265,510,054,307.99 - Step 5: Solve for x
x = 45,265,510,054,307.99/10,458,321.95 - Step 6: Final answer
x = 4,328,180.97
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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.