Finding the Fourth Proportional to 7,913,598.75, 10,920,767.49 and 4,475,765.97
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Solution
The fourth proportional to 7,913,598.75, 10,920,767.49 and 4,475,765.97 is: 6,176,557.73
Step by Step Solution
- Step 1: Write the proportion equation
7,913,598.75 : 10,920,767.49 = 4,475,765.97 : x - Step 2: Convert to fraction form
7,913,598.75/10,920,767.49 = 4,475,765.97/x - Step 3: Cross multiply
7,913,598.75x = 10,920,767.49 × 4,475,765.97 - Step 4: Simplify right side
7,913,598.75x = 48,878,799,498,024.31 - Step 5: Solve for x
x = 48,878,799,498,024.31/7,913,598.75 - Step 6: Final answer
x = 6,176,557.73
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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.