Finding the Fourth Proportional to 7,489,962.84, 10,346,730.30 and 5,960,112.60
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Solution
The fourth proportional to 7,489,962.84, 10,346,730.30 and 5,960,112.60 is: 8,233,375.65
Step by Step Solution
- Step 1: Write the proportion equation
7,489,962.84 : 10,346,730.30 = 5,960,112.60 : x - Step 2: Convert to fraction form
7,489,962.84/10,346,730.30 = 5,960,112.60/x - Step 3: Cross multiply
7,489,962.84x = 10,346,730.30 × 5,960,112.60 - Step 4: Simplify right side
7,489,962.84x = 61,667,677,629,831.78 - Step 5: Solve for x
x = 61,667,677,629,831.78/7,489,962.84 - Step 6: Final answer
x = 8,233,375.65
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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.