Finding the Fourth Proportional to 42,471,742.88, 63,707,841.84 and 10,559,038.88
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Solution
The fourth proportional to 42,471,742.88, 63,707,841.84 and 10,559,038.88 is: 15,838,614.88
Step by Step Solution
- Step 1: Write the proportion equation
42,471,742.88 : 63,707,841.84 = 10,559,038.88 : x - Step 2: Convert to fraction form
42,471,742.88/63,707,841.84 = 10,559,038.88/x - Step 3: Cross multiply
42,471,742.88x = 63,707,841.84 × 10,559,038.88 - Step 4: Simplify right side
42,471,742.88x = 672,693,578,949,450.88 - Step 5: Solve for x
x = 672,693,578,949,450.88/42,471,742.88 - Step 6: Final answer
x = 15,838,614.88
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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.