Finding the Fourth Proportional to 28,802,420.13, 43,203,674.04 and 11,763,093.07
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Solution
The fourth proportional to 28,802,420.13, 43,203,674.04 and 11,763,093.07 is: 17,644,657.51
Step by Step Solution
- Step 1: Write the proportion equation
28,802,420.13 : 43,203,674.04 = 11,763,093.07 : x - Step 2: Convert to fraction form
28,802,420.13/43,203,674.04 = 11,763,093.07/x - Step 3: Cross multiply
28,802,420.13x = 43,203,674.04 × 11,763,093.07 - Step 4: Simplify right side
28,802,420.13x = 508,208,838,708,355.88 - Step 5: Solve for x
x = 508,208,838,708,355.88/28,802,420.13 - Step 6: Final answer
x = 17,644,657.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.