Finding the Fourth Proportional to 19,955,768.40, 29,933,652.60 and 7,174,612.35
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Solution
The fourth proportional to 19,955,768.40, 29,933,652.60 and 7,174,612.35 is: 10,761,918.53
Step by Step Solution
- Step 1: Write the proportion equation
19,955,768.40 : 29,933,652.60 = 7,174,612.35 : x - Step 2: Convert to fraction form
19,955,768.40/29,933,652.60 = 7,174,612.35/x - Step 3: Cross multiply
19,955,768.40x = 29,933,652.60 × 7,174,612.35 - Step 4: Simplify right side
19,955,768.40x = 214,762,353,624,569.62 - Step 5: Solve for x
x = 214,762,353,624,569.62/19,955,768.40 - Step 6: Final answer
x = 10,761,918.53
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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.