Finding the Fourth Proportional to 19,550,941.88, 26,980,918.49 and 11,290,854.74
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Solution
The fourth proportional to 19,550,941.88, 26,980,918.49 and 11,290,854.74 is: 15,581,736.84
Step by Step Solution
- Step 1: Write the proportion equation
19,550,941.88 : 26,980,918.49 = 11,290,854.74 : x - Step 2: Convert to fraction form
19,550,941.88/26,980,918.49 = 11,290,854.74/x - Step 3: Cross multiply
19,550,941.88x = 26,980,918.49 × 11,290,854.74 - Step 4: Simplify right side
19,550,941.88x = 304,637,631,422,370.12 - Step 5: Solve for x
x = 304,637,631,422,370.12/19,550,941.88 - Step 6: Final answer
x = 15,581,736.84
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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.