Finding the Fourth Proportional to 7,642,621.04, 10,537,980.81 and 6,092,670.92
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Solution
The fourth proportional to 7,642,621.04, 10,537,980.81 and 6,092,670.92 is: 8,400,841.66
Step by Step Solution
- Step 1: Write the proportion equation
7,642,621.04 : 10,537,980.81 = 6,092,670.92 : x - Step 2: Convert to fraction form
7,642,621.04/10,537,980.81 = 6,092,670.92/x - Step 3: Cross multiply
7,642,621.04x = 10,537,980.81 × 6,092,670.92 - Step 4: Simplify right side
7,642,621.04x = 64,204,449,236,605.05 - Step 5: Solve for x
x = 64,204,449,236,605.05/7,642,621.04 - Step 6: Final answer
x = 8,400,841.66
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1.5x scale
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.