Finding the Fourth Proportional to 49,993,519.68, 68,988,281.76 and 27,962,763.84
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Solution
The fourth proportional to 49,993,519.68, 68,988,281.76 and 27,962,763.84 is: 38,587,061.74
Step by Step Solution
- Step 1: Write the proportion equation
49,993,519.68 : 68,988,281.76 = 27,962,763.84 : x - Step 2: Convert to fraction form
49,993,519.68/68,988,281.76 = 27,962,763.84/x - Step 3: Cross multiply
49,993,519.68x = 68,988,281.76 × 27,962,763.84 - Step 4: Simplify right side
49,993,519.68x = 1,929,103,030,582,259.75 - Step 5: Solve for x
x = 1,929,103,030,582,259.75/49,993,519.68 - Step 6: Final answer
x = 38,587,061.74
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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.