Finding the Fourth Proportional to 19,429,204.80, 29,143,807.20 and 5,964,283.20
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Solution
The fourth proportional to 19,429,204.80, 29,143,807.20 and 5,964,283.20 is: 8,946,424.80
Step by Step Solution
- Step 1: Write the proportion equation
19,429,204.80 : 29,143,807.20 = 5,964,283.20 : x - Step 2: Convert to fraction form
19,429,204.80/29,143,807.20 = 5,964,283.20/x - Step 3: Cross multiply
19,429,204.80x = 29,143,807.20 × 5,964,283.20 - Step 4: Simplify right side
19,429,204.80x = 173,821,919,666,999.03 - Step 5: Solve for x
x = 173,821,919,666,999.03/19,429,204.80 - Step 6: Final answer
x = 8,946,424.80
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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.