Finding the Fourth Proportional to 15,837,750.13, 21,856,095.19 and 8,594,406.13
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Solution
The fourth proportional to 15,837,750.13, 21,856,095.19 and 8,594,406.13 is: 11,860,280.47
Step by Step Solution
- Step 1: Write the proportion equation
15,837,750.13 : 21,856,095.19 = 8,594,406.13 : x - Step 2: Convert to fraction form
15,837,750.13/21,856,095.19 = 8,594,406.13/x - Step 3: Cross multiply
15,837,750.13x = 21,856,095.19 × 8,594,406.13 - Step 4: Simplify right side
15,837,750.13x = 187,840,158,511,953.75 - Step 5: Solve for x
x = 187,840,158,511,953.75/15,837,750.13 - Step 6: Final answer
x = 11,860,280.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.