Finding the Fourth Proportional to 13,943,896.32, 19,243,044.18 and 7,749,204.08
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Solution
The fourth proportional to 13,943,896.32, 19,243,044.18 and 7,749,204.08 is: 10,694,161.30
Step by Step Solution
- Step 1: Write the proportion equation
13,943,896.32 : 19,243,044.18 = 7,749,204.08 : x - Step 2: Convert to fraction form
13,943,896.32/19,243,044.18 = 7,749,204.08/x - Step 3: Cross multiply
13,943,896.32x = 19,243,044.18 × 7,749,204.08 - Step 4: Simplify right side
13,943,896.32x = 149,118,276,432,530.25 - Step 5: Solve for x
x = 149,118,276,432,530.25/13,943,896.32 - Step 6: Final answer
x = 10,694,161.30
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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.