Finding the Fourth Proportional to 19,358,449.02, 29,037,543.66 and 7,843,746.24
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Solution
The fourth proportional to 19,358,449.02, 29,037,543.66 and 7,843,746.24 is: 11,765,566.74
Step by Step Solution
- Step 1: Write the proportion equation
19,358,449.02 : 29,037,543.66 = 7,843,746.24 : x - Step 2: Convert to fraction form
19,358,449.02/29,037,543.66 = 7,843,746.24/x - Step 3: Cross multiply
19,358,449.02x = 29,037,543.66 × 7,843,746.24 - Step 4: Simplify right side
19,358,449.02x = 227,763,123,901,960.84 - Step 5: Solve for x
x = 227,763,123,901,960.84/19,358,449.02 - Step 6: Final answer
x = 11,765,566.74
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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.