Finding the Fourth Proportional to 19,373,591.50, 26,730,235.47 and 13,486,628.14
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Solution
The fourth proportional to 19,373,591.50, 26,730,235.47 and 13,486,628.14 is: 18,607,842.84
Step by Step Solution
- Step 1: Write the proportion equation
19,373,591.50 : 26,730,235.47 = 13,486,628.14 : x - Step 2: Convert to fraction form
19,373,591.50/26,730,235.47 = 13,486,628.14/x - Step 3: Cross multiply
19,373,591.50x = 26,730,235.47 × 13,486,628.14 - Step 4: Simplify right side
19,373,591.50x = 360,500,745,878,528.12 - Step 5: Solve for x
x = 360,500,745,878,528.12/19,373,591.50 - Step 6: Final answer
x = 18,607,842.84
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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.