Finding the Fourth Proportional to 18,596,420.16, 27,895,253.09 and 6,465,988.70
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Solution
The fourth proportional to 18,596,420.16, 27,895,253.09 and 6,465,988.70 is: 9,699,199.61
Step by Step Solution
- Step 1: Write the proportion equation
18,596,420.16 : 27,895,253.09 = 6,465,988.70 : x - Step 2: Convert to fraction form
18,596,420.16/27,895,253.09 = 6,465,988.70/x - Step 3: Cross multiply
18,596,420.16x = 27,895,253.09 × 6,465,988.70 - Step 4: Simplify right side
18,596,420.16x = 180,370,391,091,773.88 - Step 5: Solve for x
x = 180,370,391,091,773.88/18,596,420.16 - Step 6: Final answer
x = 9,699,199.61
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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.