Finding the Fourth Proportional to 9,749,377.99, 13,468,155.72 and 7,786,679.19
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Solution
The fourth proportional to 9,749,377.99, 13,468,155.72 and 7,786,679.19 is: 10,756,810.12
Step by Step Solution
- Step 1: Write the proportion equation
9,749,377.99 : 13,468,155.72 = 7,786,679.19 : x - Step 2: Convert to fraction form
9,749,377.99/13,468,155.72 = 7,786,679.19/x - Step 3: Cross multiply
9,749,377.99x = 13,468,155.72 × 7,786,679.19 - Step 4: Simplify right side
9,749,377.99x = 104,872,207,872,603.48 - Step 5: Solve for x
x = 104,872,207,872,603.48/9,749,377.99 - Step 6: Final answer
x = 10,756,810.12
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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.