Finding the Fourth Proportional to 16,215,889.41, 22,377,929.45 and 8,873,724.15
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Solution
The fourth proportional to 16,215,889.41, 22,377,929.45 and 8,873,724.15 is: 12,245,740.45
Step by Step Solution
- Step 1: Write the proportion equation
16,215,889.41 : 22,377,929.45 = 8,873,724.15 : x - Step 2: Convert to fraction form
16,215,889.41/22,377,929.45 = 8,873,724.15/x - Step 3: Cross multiply
16,215,889.41x = 22,377,929.45 × 8,873,724.15 - Step 4: Simplify right side
16,215,889.41x = 198,575,572,943,092.59 - Step 5: Solve for x
x = 198,575,572,943,092.59/16,215,889.41 - Step 6: Final answer
x = 12,245,740.45
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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.