Finding the Fourth Proportional to 22,646,489.60, 31,254,737.28 and 13,479,161.60
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Solution
The fourth proportional to 22,646,489.60, 31,254,737.28 and 13,479,161.60 is: 18,602,779.59
Step by Step Solution
- Step 1: Write the proportion equation
22,646,489.60 : 31,254,737.28 = 13,479,161.60 : x - Step 2: Convert to fraction form
22,646,489.60/31,254,737.28 = 13,479,161.60/x - Step 3: Cross multiply
22,646,489.60x = 31,254,737.28 × 13,479,161.60 - Step 4: Simplify right side
22,646,489.60x = 421,287,654,562,664.44 - Step 5: Solve for x
x = 421,287,654,562,664.44/22,646,489.60 - Step 6: Final answer
x = 18,602,779.59
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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.