Finding the Fourth Proportional to 10,142,746.88, 15,213,957.83 and 3,226,125.80
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Solution
The fourth proportional to 10,142,746.88, 15,213,957.83 and 3,226,125.80 is: 4,839,137.02
Step by Step Solution
- Step 1: Write the proportion equation
10,142,746.88 : 15,213,957.83 = 3,226,125.80 : x - Step 2: Convert to fraction form
10,142,746.88/15,213,957.83 = 3,226,125.80/x - Step 3: Cross multiply
10,142,746.88x = 15,213,957.83 × 3,226,125.80 - Step 4: Simplify right side
10,142,746.88x = 49,082,141,909,477.25 - Step 5: Solve for x
x = 49,082,141,909,477.25/10,142,746.88 - Step 6: Final answer
x = 4,839,137.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.