Finding the Fourth Proportional to 26,428,597.92, 39,642,820.11 and 7,259,373.36
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Solution
The fourth proportional to 26,428,597.92, 39,642,820.11 and 7,259,373.36 is: 10,889,038.95
Step by Step Solution
- Step 1: Write the proportion equation
26,428,597.92 : 39,642,820.11 = 7,259,373.36 : x - Step 2: Convert to fraction form
26,428,597.92/39,642,820.11 = 7,259,373.36/x - Step 3: Cross multiply
26,428,597.92x = 39,642,820.11 × 7,259,373.36 - Step 4: Simplify right side
26,428,597.92x = 287,782,032,221,806.25 - Step 5: Solve for x
x = 287,782,032,221,806.25/26,428,597.92 - Step 6: Final answer
x = 10,889,038.95
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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.