Finding the Fourth Proportional to 20,774,444.29, 28,653,864.84 and 14,580,873.05
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Solution
The fourth proportional to 20,774,444.29, 28,653,864.84 and 14,580,873.05 is: 20,111,169.27
Step by Step Solution
- Step 1: Write the proportion equation
20,774,444.29 : 28,653,864.84 = 14,580,873.05 : x - Step 2: Convert to fraction form
20,774,444.29/28,653,864.84 = 14,580,873.05/x - Step 3: Cross multiply
20,774,444.29x = 28,653,864.84 × 14,580,873.05 - Step 4: Simplify right side
20,774,444.29x = 417,798,365,480,629.25 - Step 5: Solve for x
x = 417,798,365,480,629.25/20,774,444.29 - Step 6: Final answer
x = 20,111,169.27
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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.