Finding the Fourth Proportional to 18,516,925.49, 27,776,716.84 and 6,386,210.56
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Solution
The fourth proportional to 18,516,925.49, 27,776,716.84 and 6,386,210.56 is: 9,579,774.05
Step by Step Solution
- Step 1: Write the proportion equation
18,516,925.49 : 27,776,716.84 = 6,386,210.56 : x - Step 2: Convert to fraction form
18,516,925.49/27,776,716.84 = 6,386,210.56/x - Step 3: Cross multiply
18,516,925.49x = 27,776,716.84 × 6,386,210.56 - Step 4: Simplify right side
18,516,925.49x = 177,387,962,344,278.78 - Step 5: Solve for x
x = 177,387,962,344,278.78/18,516,925.49 - Step 6: Final answer
x = 9,579,774.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.