Finding the Fourth Proportional to 16,209,490.23, 22,368,922.34 and 8,867,468.79
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Solution
The fourth proportional to 16,209,490.23, 22,368,922.34 and 8,867,468.79 is: 12,237,011.64
Step by Step Solution
- Step 1: Write the proportion equation
16,209,490.23 : 22,368,922.34 = 8,867,468.79 : x - Step 2: Convert to fraction form
16,209,490.23/22,368,922.34 = 8,867,468.79/x - Step 3: Cross multiply
16,209,490.23x = 22,368,922.34 × 8,867,468.79 - Step 4: Simplify right side
16,209,490.23x = 198,355,720,671,546.41 - Step 5: Solve for x
x = 198,355,720,671,546.41/16,209,490.23 - Step 6: Final answer
x = 12,237,011.64
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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.