Finding the Fourth Proportional to 12,739,591, 17,580,373.14 and 6,938,474.68
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Solution
The fourth proportional to 12,739,591, 17,580,373.14 and 6,938,474.68 is: 9,574,952.12
Step by Step Solution
- Step 1: Write the proportion equation
12,739,591 : 17,580,373.14 = 6,938,474.68 : x - Step 2: Convert to fraction form
12,739,591/17,580,373.14 = 6,938,474.68/x - Step 3: Cross multiply
12,739,591x = 17,580,373.14 × 6,938,474.68 - Step 4: Simplify right side
12,739,591x = 121,980,973,896,842.09 - Step 5: Solve for x
x = 121,980,973,896,842.09/12,739,591 - Step 6: Final answer
x = 9,574,952.12
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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.