Finding the Fourth Proportional to 8,888,933.28, 12,267,723.36 and 5,021,703.36
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Solution
The fourth proportional to 8,888,933.28, 12,267,723.36 and 5,021,703.36 is: 6,930,513.00
Step by Step Solution
- Step 1: Write the proportion equation
8,888,933.28 : 12,267,723.36 = 5,021,703.36 : x - Step 2: Convert to fraction form
8,888,933.28/12,267,723.36 = 5,021,703.36/x - Step 3: Cross multiply
8,888,933.28x = 12,267,723.36 × 5,021,703.36 - Step 4: Simplify right side
8,888,933.28x = 61,604,867,616,462.49 - Step 5: Solve for x
x = 61,604,867,616,462.49/8,888,933.28 - Step 6: Final answer
x = 6,930,513.00
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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.