Finding the Fourth Proportional to 30,127,192.40, 41,580,070.54 and 18,373,279.84
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Solution
The fourth proportional to 30,127,192.40, 41,580,070.54 and 18,373,279.84 is: 25,357,897.99
Step by Step Solution
- Step 1: Write the proportion equation
30,127,192.40 : 41,580,070.54 = 18,373,279.84 : x - Step 2: Convert to fraction form
30,127,192.40/41,580,070.54 = 18,373,279.84/x - Step 3: Cross multiply
30,127,192.40x = 41,580,070.54 × 18,373,279.84 - Step 4: Simplify right side
30,127,192.40x = 763,962,271,648,476.50 - Step 5: Solve for x
x = 763,962,271,648,476.50/30,127,192.40 - Step 6: Final answer
x = 25,357,897.99
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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.