Finding the Fourth Proportional to 40,399,671.68, 55,714,623.36 and 31,580,288
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Solution
The fourth proportional to 40,399,671.68, 55,714,623.36 and 31,580,288 is: 43,551,934.42
Step by Step Solution
- Step 1: Write the proportion equation
40,399,671.68 : 55,714,623.36 = 31,580,288 : x - Step 2: Convert to fraction form
40,399,671.68/55,714,623.36 = 31,580,288/x - Step 3: Cross multiply
40,399,671.68x = 55,714,623.36 × 31,580,288 - Step 4: Simplify right side
40,399,671.68x = 1,759,483,851,520,327.75 - Step 5: Solve for x
x = 1,759,483,851,520,327.75/40,399,671.68 - Step 6: Final answer
x = 43,551,934.42
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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.