Finding the Fourth Proportional to 13,822,391.03, 19,078,693.47 and 8,023,041.09
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Solution
The fourth proportional to 13,822,391.03, 19,078,693.47 and 8,023,041.09 is: 11,073,998.80
Step by Step Solution
- Step 1: Write the proportion equation
13,822,391.03 : 19,078,693.47 = 8,023,041.09 : x - Step 2: Convert to fraction form
13,822,391.03/19,078,693.47 = 8,023,041.09/x - Step 3: Cross multiply
13,822,391.03x = 19,078,693.47 × 8,023,041.09 - Step 4: Simplify right side
13,822,391.03x = 153,069,141,653,324.66 - Step 5: Solve for x
x = 153,069,141,653,324.66/13,822,391.03 - Step 6: Final answer
x = 11,073,998.80
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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.