Finding the Fourth Proportional to 39,869,954.70, 59,804,932.05 and 19,714,562.70
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Solution
The fourth proportional to 39,869,954.70, 59,804,932.05 and 19,714,562.70 is: 29,571,844.05
Step by Step Solution
- Step 1: Write the proportion equation
39,869,954.70 : 59,804,932.05 = 19,714,562.70 : x - Step 2: Convert to fraction form
39,869,954.70/59,804,932.05 = 19,714,562.70/x - Step 3: Cross multiply
39,869,954.70x = 59,804,932.05 × 19,714,562.70 - Step 4: Simplify right side
39,869,954.70x = 1,179,028,082,668,964.50 - Step 5: Solve for x
x = 1,179,028,082,668,964.50/39,869,954.70 - Step 6: Final answer
x = 29,571,844.05
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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.