Finding the Fourth Proportional to 12,346,270.80, 17,038,899.98 and 6,841,372.42
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Solution
The fourth proportional to 12,346,270.80, 17,038,899.98 and 6,841,372.42 is: 9,441,673.71
Step by Step Solution
- Step 1: Write the proportion equation
12,346,270.80 : 17,038,899.98 = 6,841,372.42 : x - Step 2: Convert to fraction form
12,346,270.80/17,038,899.98 = 6,841,372.42/x - Step 3: Cross multiply
12,346,270.80x = 17,038,899.98 × 6,841,372.42 - Step 4: Simplify right side
12,346,270.80x = 116,569,460,390,310.55 - Step 5: Solve for x
x = 116,569,460,390,310.55/12,346,270.80 - Step 6: Final answer
x = 9,441,673.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.