Finding the Fourth Proportional to 19,920,294.24, 29,889,132.63 and 6,975,735.62
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Solution
The fourth proportional to 19,920,294.24, 29,889,132.63 and 6,975,735.62 is: 10,466,646.96
Step by Step Solution
- Step 1: Write the proportion equation
19,920,294.24 : 29,889,132.63 = 6,975,735.62 : x - Step 2: Convert to fraction form
19,920,294.24/29,889,132.63 = 6,975,735.62/x - Step 3: Cross multiply
19,920,294.24x = 29,889,132.63 × 6,975,735.62 - Step 4: Simplify right side
19,920,294.24x = 208,498,687,137,995.28 - Step 5: Solve for x
x = 208,498,687,137,995.28/19,920,294.24 - Step 6: Final answer
x = 10,466,646.96
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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.