Finding the Fourth Proportional to 28,487,946.24, 39,315,026.88 and 16,097,724
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Solution
The fourth proportional to 28,487,946.24, 39,315,026.88 and 16,097,724 is: 22,215,797.74
Step by Step Solution
- Step 1: Write the proportion equation
28,487,946.24 : 39,315,026.88 = 16,097,724 : x - Step 2: Convert to fraction form
28,487,946.24/39,315,026.88 = 16,097,724/x - Step 3: Cross multiply
28,487,946.24x = 39,315,026.88 × 16,097,724 - Step 4: Simplify right side
28,487,946.24x = 632,882,451,766,821.12 - Step 5: Solve for x
x = 632,882,451,766,821.12/28,487,946.24 - Step 6: Final answer
x = 22,215,797.74
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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.