Finding the Fourth Proportional to 32,690,994.36, 45,113,572.04 and 18,947,930.08
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Solution
The fourth proportional to 32,690,994.36, 45,113,572.04 and 18,947,930.08 is: 26,148,143.41
Step by Step Solution
- Step 1: Write the proportion equation
32,690,994.36 : 45,113,572.04 = 18,947,930.08 : x - Step 2: Convert to fraction form
32,690,994.36/45,113,572.04 = 18,947,930.08/x - Step 3: Cross multiply
32,690,994.36x = 45,113,572.04 × 18,947,930.08 - Step 4: Simplify right side
32,690,994.36x = 854,808,808,672,962.88 - Step 5: Solve for x
x = 854,808,808,672,962.88/32,690,994.36 - Step 6: Final answer
x = 26,148,143.41
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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.