Finding the Fourth Proportional to 10,983,565.49, 15,157,240.25 and 6,021,925.00
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Solution
The fourth proportional to 10,983,565.49, 15,157,240.25 and 6,021,925.00 is: 8,310,212.56
Step by Step Solution
- Step 1: Write the proportion equation
10,983,565.49 : 15,157,240.25 = 6,021,925.00 : x - Step 2: Convert to fraction form
10,983,565.49/15,157,240.25 = 6,021,925.00/x - Step 3: Cross multiply
10,983,565.49x = 15,157,240.25 × 6,021,925.00 - Step 4: Simplify right side
10,983,565.49x = 91,275,763,886,585.42 - Step 5: Solve for x
x = 91,275,763,886,585.42/10,983,565.49 - Step 6: Final answer
x = 8,310,212.56
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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.