Finding the Fourth Proportional to 19,616,394.16, 27,070,199.76 and 11,356,804.72
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Solution
The fourth proportional to 19,616,394.16, 27,070,199.76 and 11,356,804.72 is: 15,672,144.94
Step by Step Solution
- Step 1: Write the proportion equation
19,616,394.16 : 27,070,199.76 = 11,356,804.72 : x - Step 2: Convert to fraction form
19,616,394.16/27,070,199.76 = 11,356,804.72/x - Step 3: Cross multiply
19,616,394.16x = 27,070,199.76 × 11,356,804.72 - Step 4: Simplify right side
19,616,394.16x = 307,430,972,405,710.88 - Step 5: Solve for x
x = 307,430,972,405,710.88/19,616,394.16 - Step 6: Final answer
x = 15,672,144.94
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1.5x scale
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.