Finding the Fourth Proportional to 16,153,828.18, 22,292,425.26 and 8,811,693.94
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Solution
The fourth proportional to 16,153,828.18, 22,292,425.26 and 8,811,693.94 is: 12,160,215.30
Step by Step Solution
- Step 1: Write the proportion equation
16,153,828.18 : 22,292,425.26 = 8,811,693.94 : x - Step 2: Convert to fraction form
16,153,828.18/22,292,425.26 = 8,811,693.94/x - Step 3: Cross multiply
16,153,828.18x = 22,292,425.26 × 8,811,693.94 - Step 4: Simplify right side
16,153,828.18x = 196,434,028,571,444.94 - Step 5: Solve for x
x = 196,434,028,571,444.94/16,153,828.18 - Step 6: Final answer
x = 12,160,215.30
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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.