Finding the Fourth Proportional to 26,526,988.17, 39,790,478.87 and 7,357,745.13
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Solution
The fourth proportional to 26,526,988.17, 39,790,478.87 and 7,357,745.13 is: 11,036,616.75
Step by Step Solution
- Step 1: Write the proportion equation
26,526,988.17 : 39,790,478.87 = 7,357,745.13 : x - Step 2: Convert to fraction form
26,526,988.17/39,790,478.87 = 7,357,745.13/x - Step 3: Cross multiply
26,526,988.17x = 39,790,478.87 × 7,357,745.13 - Step 4: Simplify right side
26,526,988.17x = 292,768,202,089,321.69 - Step 5: Solve for x
x = 292,768,202,089,321.69/26,526,988.17 - Step 6: Final answer
x = 11,036,616.75
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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.