Finding the Fourth Proportional to 7,315,567.36, 10,928,856.70 and 4,735,765.73
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Solution
The fourth proportional to 7,315,567.36, 10,928,856.70 and 4,735,765.73 is: 7,074,844.99
Step by Step Solution
- Step 1: Write the proportion equation
7,315,567.36 : 10,928,856.70 = 4,735,765.73 : x - Step 2: Convert to fraction form
7,315,567.36/10,928,856.70 = 4,735,765.73/x - Step 3: Cross multiply
7,315,567.36x = 10,928,856.70 × 4,735,765.73 - Step 4: Simplify right side
7,315,567.36x = 51,756,505,027,940.89 - Step 5: Solve for x
x = 51,756,505,027,940.89/7,315,567.36 - Step 6: Final answer
x = 7,074,844.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.