Finding the Fourth Proportional to 16,124,468.76, 22,251,767.16 and 8,881,124.76
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Solution
The fourth proportional to 16,124,468.76, 22,251,767.16 and 8,881,124.76 is: 12,255,952.32
Step by Step Solution
- Step 1: Write the proportion equation
16,124,468.76 : 22,251,767.16 = 8,881,124.76 : x - Step 2: Convert to fraction form
16,124,468.76/22,251,767.16 = 8,881,124.76/x - Step 3: Cross multiply
16,124,468.76x = 22,251,767.16 × 8,881,124.76 - Step 4: Simplify right side
16,124,468.76x = 197,620,720,278,430.88 - Step 5: Solve for x
x = 197,620,720,278,430.88/16,124,468.76 - Step 6: Final answer
x = 12,255,952.32
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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.