Finding the Fourth Proportional to 31,432,642.70, 47,148,964.05 and 27,653,506.70
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Solution
The fourth proportional to 31,432,642.70, 47,148,964.05 and 27,653,506.70 is: 41,480,260.05
Step by Step Solution
- Step 1: Write the proportion equation
31,432,642.70 : 47,148,964.05 = 27,653,506.70 : x - Step 2: Convert to fraction form
31,432,642.70/47,148,964.05 = 27,653,506.70/x - Step 3: Cross multiply
31,432,642.70x = 47,148,964.05 × 27,653,506.70 - Step 4: Simplify right side
31,432,642.70x = 1,303,834,193,254,734 - Step 5: Solve for x
x = 1,303,834,193,254,734/31,432,642.70 - Step 6: Final answer
x = 41,480,260.05
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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.