Finding the Fourth Proportional to 19,975,653.88, 29,964,353.16 and 6,329,806.16
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Solution
The fourth proportional to 19,975,653.88, 29,964,353.16 and 6,329,806.16 is: 9,494,985.66
Step by Step Solution
- Step 1: Write the proportion equation
19,975,653.88 : 29,964,353.16 = 6,329,806.16 : x - Step 2: Convert to fraction form
19,975,653.88/29,964,353.16 = 6,329,806.16/x - Step 3: Cross multiply
19,975,653.88x = 29,964,353.16 × 6,329,806.16 - Step 4: Simplify right side
19,975,653.88x = 189,668,547,212,583.47 - Step 5: Solve for x
x = 189,668,547,212,583.47/19,975,653.88 - Step 6: Final answer
x = 9,494,985.66
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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.