Finding the Fourth Proportional to 27,386,208.84, 37,794,148.92 and 15,163,065.84
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Solution
The fourth proportional to 27,386,208.84, 37,794,148.92 and 15,163,065.84 is: 20,925,684.60
Step by Step Solution
- Step 1: Write the proportion equation
27,386,208.84 : 37,794,148.92 = 15,163,065.84 : x - Step 2: Convert to fraction form
27,386,208.84/37,794,148.92 = 15,163,065.84/x - Step 3: Cross multiply
27,386,208.84x = 37,794,148.92 × 15,163,065.84 - Step 4: Simplify right side
27,386,208.84x = 573,075,168,440,724.88 - Step 5: Solve for x
x = 573,075,168,440,724.88/27,386,208.84 - Step 6: Final answer
x = 20,925,684.60
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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.