Finding the Fourth Proportional to 19,422,110.20, 29,133,165.30 and 6,643,031.80
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Solution
The fourth proportional to 19,422,110.20, 29,133,165.30 and 6,643,031.80 is: 9,964,547.70
Step by Step Solution
- Step 1: Write the proportion equation
19,422,110.20 : 29,133,165.30 = 6,643,031.80 : x - Step 2: Convert to fraction form
19,422,110.20/29,133,165.30 = 6,643,031.80/x - Step 3: Cross multiply
19,422,110.20x = 29,133,165.30 × 6,643,031.80 - Step 4: Simplify right side
19,422,110.20x = 193,532,543,522,556.53 - Step 5: Solve for x
x = 193,532,543,522,556.53/19,422,110.20 - Step 6: Final answer
x = 9,964,547.70
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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.