Finding the Fourth Proportional to 42,702,609.12, 64,073,432.66 and 23,242,683.12
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Solution
The fourth proportional to 42,702,609.12, 64,073,432.66 and 23,242,683.12 is: 34,874,648.70
Step by Step Solution
- Step 1: Write the proportion equation
42,702,609.12 : 64,073,432.66 = 23,242,683.12 : x - Step 2: Convert to fraction form
42,702,609.12/64,073,432.66 = 23,242,683.12/x - Step 3: Cross multiply
42,702,609.12x = 64,073,432.66 × 23,242,683.12 - Step 4: Simplify right side
42,702,609.12x = 1,489,238,491,727,038.75 - Step 5: Solve for x
x = 1,489,238,491,727,038.75/42,702,609.12 - Step 6: Final answer
x = 34,874,648.70
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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.