Finding the Fourth Proportional to 13,652,526.76, 20,479,966.14 and 3,555,166.12
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Solution
The fourth proportional to 13,652,526.76, 20,479,966.14 and 3,555,166.12 is: 5,333,055.41
Step by Step Solution
- Step 1: Write the proportion equation
13,652,526.76 : 20,479,966.14 = 3,555,166.12 : x - Step 2: Convert to fraction form
13,652,526.76/20,479,966.14 = 3,555,166.12/x - Step 3: Cross multiply
13,652,526.76x = 20,479,966.14 × 3,555,166.12 - Step 4: Simplify right side
13,652,526.76x = 72,809,681,759,675.19 - Step 5: Solve for x
x = 72,809,681,759,675.19/13,652,526.76 - Step 6: Final answer
x = 5,333,055.41
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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.