Finding the Fourth Proportional to 16,447,782.37, 22,700,315.06 and 9,477,125.38
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Solution
The fourth proportional to 16,447,782.37, 22,700,315.06 and 9,477,125.38 is: 13,079,801.71
Step by Step Solution
- Step 1: Write the proportion equation
16,447,782.37 : 22,700,315.06 = 9,477,125.38 : x - Step 2: Convert to fraction form
16,447,782.37/22,700,315.06 = 9,477,125.38/x - Step 3: Cross multiply
16,447,782.37x = 22,700,315.06 × 9,477,125.38 - Step 4: Simplify right side
16,447,782.37x = 215,133,731,989,122.22 - Step 5: Solve for x
x = 215,133,731,989,122.22/16,447,782.37 - Step 6: Final answer
x = 13,079,801.71
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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.