Finding the Fourth Proportional to 26,001,122.40, 39,001,683.60 and 18,442,850.40
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Solution
The fourth proportional to 26,001,122.40, 39,001,683.60 and 18,442,850.40 is: 27,664,275.60
Step by Step Solution
- Step 1: Write the proportion equation
26,001,122.40 : 39,001,683.60 = 18,442,850.40 : x - Step 2: Convert to fraction form
26,001,122.40/39,001,683.60 = 18,442,850.40/x - Step 3: Cross multiply
26,001,122.40x = 39,001,683.60 × 18,442,850.40 - Step 4: Simplify right side
26,001,122.40x = 719,302,215,982,933.38 - Step 5: Solve for x
x = 719,302,215,982,933.38/26,001,122.40 - Step 6: Final answer
x = 27,664,275.60
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1.5x scale
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.