Finding the Fourth Proportional to 13,065,805.90, 19,598,740.71 and 3,967,972.84
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Solution
The fourth proportional to 13,065,805.90, 19,598,740.71 and 3,967,972.84 is: 5,951,968.94
Step by Step Solution
- Step 1: Write the proportion equation
13,065,805.90 : 19,598,740.71 = 3,967,972.84 : x - Step 2: Convert to fraction form
13,065,805.90/19,598,740.71 = 3,967,972.84/x - Step 3: Cross multiply
13,065,805.90x = 19,598,740.71 × 3,967,972.84 - Step 4: Simplify right side
13,065,805.90x = 77,767,270,835,482.31 - Step 5: Solve for x
x = 77,767,270,835,482.31/13,065,805.90 - Step 6: Final answer
x = 5,951,968.94
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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.