Finding the Fourth Proportional to 13,237,959.21, 19,858,079.88 and 3,653,337.75
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Solution
The fourth proportional to 13,237,959.21, 19,858,079.88 and 3,653,337.75 is: 5,480,321.53
Step by Step Solution
- Step 1: Write the proportion equation
13,237,959.21 : 19,858,079.88 = 3,653,337.75 : x - Step 2: Convert to fraction form
13,237,959.21/19,858,079.88 = 3,653,337.75/x - Step 3: Cross multiply
13,237,959.21x = 19,858,079.88 × 3,653,337.75 - Step 4: Simplify right side
13,237,959.21x = 72,548,272,868,119.47 - Step 5: Solve for x
x = 72,548,272,868,119.47/13,237,959.21 - Step 6: Final answer
x = 5,480,321.53
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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.