Finding the Fourth Proportional to 7,611,430.47, 10,493,612.79 and 6,046,753.92
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Solution
The fourth proportional to 7,611,430.47, 10,493,612.79 and 6,046,753.92 is: 8,336,447.99
Step by Step Solution
- Step 1: Write the proportion equation
7,611,430.47 : 10,493,612.79 = 6,046,753.92 : x - Step 2: Convert to fraction form
7,611,430.47/10,493,612.79 = 6,046,753.92/x - Step 3: Cross multiply
7,611,430.47x = 10,493,612.79 × 6,046,753.92 - Step 4: Simplify right side
7,611,430.47x = 63,452,294,272,894.63 - Step 5: Solve for x
x = 63,452,294,272,894.63/7,611,430.47 - Step 6: Final answer
x = 8,336,447.99
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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.