Finding the Fourth Proportional to 19,363,972.23, 29,026,029.29 and 8,586,348.75
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Solution
The fourth proportional to 19,363,972.23, 29,026,029.29 and 8,586,348.75 is: 12,870,686.21
Step by Step Solution
- Step 1: Write the proportion equation
19,363,972.23 : 29,026,029.29 = 8,586,348.75 : x - Step 2: Convert to fraction form
19,363,972.23/29,026,029.29 = 8,586,348.75/x - Step 3: Cross multiply
19,363,972.23x = 29,026,029.29 × 8,586,348.75 - Step 4: Simplify right side
19,363,972.23x = 249,227,610,268,723.16 - Step 5: Solve for x
x = 249,227,610,268,723.16/19,363,972.23 - Step 6: Final answer
x = 12,870,686.21
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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.