Finding the Fourth Proportional to 7,745,744.79, 11,607,987.96 and 4,900,763.97
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Solution
The fourth proportional to 7,745,744.79, 11,607,987.96 and 4,900,763.97 is: 7,344,420.80
Step by Step Solution
- Step 1: Write the proportion equation
7,745,744.79 : 11,607,987.96 = 4,900,763.97 : x - Step 2: Convert to fraction form
7,745,744.79/11,607,987.96 = 4,900,763.97/x - Step 3: Cross multiply
7,745,744.79x = 11,607,987.96 × 4,900,763.97 - Step 4: Simplify right side
7,745,744.79x = 56,888,009,158,561.80 - Step 5: Solve for x
x = 56,888,009,158,561.80/7,745,744.79 - Step 6: Final answer
x = 7,344,420.80
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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.