Finding the Fourth Proportional to 18,042,994.90, 24,899,655.99 and 9,783,335.80
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Solution
The fourth proportional to 18,042,994.90, 24,899,655.99 and 9,783,335.80 is: 13,501,178.56
Step by Step Solution
- Step 1: Write the proportion equation
18,042,994.90 : 24,899,655.99 = 9,783,335.80 : x - Step 2: Convert to fraction form
18,042,994.90/24,899,655.99 = 9,783,335.80/x - Step 3: Cross multiply
18,042,994.90x = 24,899,655.99 × 9,783,335.80 - Step 4: Simplify right side
18,042,994.90x = 243,601,695,854,651.44 - Step 5: Solve for x
x = 243,601,695,854,651.44/18,042,994.90 - Step 6: Final answer
x = 13,501,178.56
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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.