Finding the Fourth Proportional to 19,334,338.61, 26,673,835.75 and 11,069,984.09
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Solution
The fourth proportional to 19,334,338.61, 26,673,835.75 and 11,069,984.09 is: 15,272,254.38
Step by Step Solution
- Step 1: Write the proportion equation
19,334,338.61 : 26,673,835.75 = 11,069,984.09 : x - Step 2: Convert to fraction form
19,334,338.61/26,673,835.75 = 11,069,984.09/x - Step 3: Cross multiply
19,334,338.61x = 26,673,835.75 × 11,069,984.09 - Step 4: Simplify right side
19,334,338.61x = 295,278,937,410,782.81 - Step 5: Solve for x
x = 295,278,937,410,782.81/19,334,338.61 - Step 6: Final answer
x = 15,272,254.38
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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.