Finding the Fourth Proportional to 16,153,832.18, 22,292,430.78 and 8,811,697.94
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Solution
The fourth proportional to 16,153,832.18, 22,292,430.78 and 8,811,697.94 is: 12,160,220.82
Step by Step Solution
- Step 1: Write the proportion equation
16,153,832.18 : 22,292,430.78 = 8,811,697.94 : x - Step 2: Convert to fraction form
16,153,832.18/22,292,430.78 = 8,811,697.94/x - Step 3: Cross multiply
16,153,832.18x = 22,292,430.78 × 8,811,697.94 - Step 4: Simplify right side
16,153,832.18x = 196,434,166,381,718.59 - Step 5: Solve for x
x = 196,434,166,381,718.59/16,153,832.18 - Step 6: Final answer
x = 12,160,220.82
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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.