Finding the Fourth Proportional to 29,731,742.09, 44,592,298.03 and 18,916,917.74
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Solution
The fourth proportional to 29,731,742.09, 44,592,298.03 and 18,916,917.74 is: 28,371,994.86
Step by Step Solution
- Step 1: Write the proportion equation
29,731,742.09 : 44,592,298.03 = 18,916,917.74 : x - Step 2: Convert to fraction form
29,731,742.09/44,592,298.03 = 18,916,917.74/x - Step 3: Cross multiply
29,731,742.09x = 44,592,298.03 × 18,916,917.74 - Step 4: Simplify right side
29,731,742.09x = 843,548,833,671,074 - Step 5: Solve for x
x = 843,548,833,671,074/29,731,742.09 - Step 6: Final answer
x = 28,371,994.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.