Finding the Fourth Proportional to 29,071,378.90, 40,120,289.99 and 16,018,634.41
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Solution
The fourth proportional to 29,071,378.90, 40,120,289.99 and 16,018,634.41 is: 22,106,700.20
Step by Step Solution
- Step 1: Write the proportion equation
29,071,378.90 : 40,120,289.99 = 16,018,634.41 : x - Step 2: Convert to fraction form
29,071,378.90/40,120,289.99 = 16,018,634.41/x - Step 3: Cross multiply
29,071,378.90x = 40,120,289.99 × 16,018,634.41 - Step 4: Simplify right side
29,071,378.90x = 642,672,257,772,992.62 - Step 5: Solve for x
x = 642,672,257,772,992.62/29,071,378.90 - Step 6: Final answer
x = 22,106,700.20
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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.