Finding the Fourth Proportional to 40,803,586.80, 61,205,380.20 and 10,511,449.80
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Solution
The fourth proportional to 40,803,586.80, 61,205,380.20 and 10,511,449.80 is: 15,767,174.70
Step by Step Solution
- Step 1: Write the proportion equation
40,803,586.80 : 61,205,380.20 = 10,511,449.80 : x - Step 2: Convert to fraction form
40,803,586.80/61,205,380.20 = 10,511,449.80/x - Step 3: Cross multiply
40,803,586.80x = 61,205,380.20 × 10,511,449.80 - Step 4: Simplify right side
40,803,586.80x = 643,357,281,462,214 - Step 5: Solve for x
x = 643,357,281,462,214/40,803,586.80 - Step 6: Final answer
x = 15,767,174.70
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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.