Finding the Fourth Proportional to 16,430,029.97, 22,671,919.78 and 9,087,705.09
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Solution
The fourth proportional to 16,430,029.97, 22,671,919.78 and 9,087,705.09 is: 12,540,191.41
Step by Step Solution
- Step 1: Write the proportion equation
16,430,029.97 : 22,671,919.78 = 9,087,705.09 : x - Step 2: Convert to fraction form
16,430,029.97/22,671,919.78 = 9,087,705.09/x - Step 3: Cross multiply
16,430,029.97x = 22,671,919.78 × 9,087,705.09 - Step 4: Simplify right side
16,430,029.97x = 206,035,720,625,979.56 - Step 5: Solve for x
x = 206,035,720,625,979.56/16,430,029.97 - Step 6: Final answer
x = 12,540,191.41
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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.