Finding the Fourth Proportional to 7,438,189.84, 10,264,139.15 and 4,174,373.99
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Solution
The fourth proportional to 7,438,189.84, 10,264,139.15 and 4,174,373.99 is: 5,760,320.24
Step by Step Solution
- Step 1: Write the proportion equation
7,438,189.84 : 10,264,139.15 = 4,174,373.99 : x - Step 2: Convert to fraction form
7,438,189.84/10,264,139.15 = 4,174,373.99/x - Step 3: Cross multiply
7,438,189.84x = 10,264,139.15 × 4,174,373.99 - Step 4: Simplify right side
7,438,189.84x = 42,846,355,502,289.19 - Step 5: Solve for x
x = 42,846,355,502,289.19/7,438,189.84 - Step 6: Final answer
x = 5,760,320.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.