Finding the Fourth Proportional to 7,706,750.76, 10,626,795.08 and 4,911,448.09
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Solution
The fourth proportional to 7,706,750.76, 10,626,795.08 and 4,911,448.09 is: 6,772,368.02
Step by Step Solution
- Step 1: Write the proportion equation
7,706,750.76 : 10,626,795.08 = 4,911,448.09 : x - Step 2: Convert to fraction form
7,706,750.76/10,626,795.08 = 4,911,448.09/x - Step 3: Cross multiply
7,706,750.76x = 10,626,795.08 × 4,911,448.09 - Step 4: Simplify right side
7,706,750.76x = 52,192,952,347,363.17 - Step 5: Solve for x
x = 52,192,952,347,363.17/7,706,750.76 - Step 6: Final answer
x = 6,772,368.02
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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.