Finding the Fourth Proportional to 49,063,728.92, 67,708,393.70 and 27,038,018.62
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Solution
The fourth proportional to 49,063,728.92, 67,708,393.70 and 27,038,018.62 is: 37,312,712.46
Step by Step Solution
- Step 1: Write the proportion equation
49,063,728.92 : 67,708,393.70 = 27,038,018.62 : x - Step 2: Convert to fraction form
49,063,728.92/67,708,393.70 = 27,038,018.62/x - Step 3: Cross multiply
49,063,728.92x = 67,708,393.70 × 27,038,018.62 - Step 4: Simplify right side
49,063,728.92x = 1,830,700,809,641,728.75 - Step 5: Solve for x
x = 1,830,700,809,641,728.75/49,063,728.92 - Step 6: Final answer
x = 37,312,712.46
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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.