Finding the Fourth Proportional to 27,386,212.84, 37,794,154.44 and 15,163,069.84
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Solution
The fourth proportional to 27,386,212.84, 37,794,154.44 and 15,163,069.84 is: 20,925,690.12
Step by Step Solution
- Step 1: Write the proportion equation
27,386,212.84 : 37,794,154.44 = 15,163,069.84 : x - Step 2: Convert to fraction form
27,386,212.84/37,794,154.44 = 15,163,069.84/x - Step 3: Cross multiply
27,386,212.84x = 37,794,154.44 × 15,163,069.84 - Step 4: Simplify right side
27,386,212.84x = 573,075,403,317,466 - Step 5: Solve for x
x = 573,075,403,317,466/27,386,212.84 - Step 6: Final answer
x = 20,925,690.12
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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.