Finding the Fourth Proportional to 22,988,416.07, 31,731,701.74 and 13,698,900.29
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Solution
The fourth proportional to 22,988,416.07, 31,731,701.74 and 13,698,900.29 is: 18,909,063.45
Step by Step Solution
- Step 1: Write the proportion equation
22,988,416.07 : 31,731,701.74 = 13,698,900.29 : x - Step 2: Convert to fraction form
22,988,416.07/31,731,701.74 = 13,698,900.29/x - Step 3: Cross multiply
22,988,416.07x = 31,731,701.74 × 13,698,900.29 - Step 4: Simplify right side
22,988,416.07x = 434,689,418,213,361.56 - Step 5: Solve for x
x = 434,689,418,213,361.56/22,988,416.07 - Step 6: Final answer
x = 18,909,063.45
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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.