Finding the Fourth Proportional to 25,574,451.70, 38,357,056.11 and 7,374,172.09
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Solution
The fourth proportional to 25,574,451.70, 38,357,056.11 and 7,374,172.09 is: 11,059,925.58
Step by Step Solution
- Step 1: Write the proportion equation
25,574,451.70 : 38,357,056.11 = 7,374,172.09 : x - Step 2: Convert to fraction form
25,574,451.70/38,357,056.11 = 7,374,172.09/x - Step 3: Cross multiply
25,574,451.70x = 38,357,056.11 × 7,374,172.09 - Step 4: Simplify right side
25,574,451.70x = 282,851,532,620,925.94 - Step 5: Solve for x
x = 282,851,532,620,925.94/25,574,451.70 - Step 6: Final answer
x = 11,059,925.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.