Finding the Fourth Proportional to 19,914,593.60, 29,860,831.20 and 7,933,793.60
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Solution
The fourth proportional to 19,914,593.60, 29,860,831.20 and 7,933,793.60 is: 11,896,284.51
Step by Step Solution
- Step 1: Write the proportion equation
19,914,593.60 : 29,860,831.20 = 7,933,793.60 : x - Step 2: Convert to fraction form
19,914,593.60/29,860,831.20 = 7,933,793.60/x - Step 3: Cross multiply
19,914,593.60x = 29,860,831.20 × 7,933,793.60 - Step 4: Simplify right side
19,914,593.60x = 236,909,671,465,240.31 - Step 5: Solve for x
x = 236,909,671,465,240.31/19,914,593.60 - Step 6: Final answer
x = 11,896,284.51
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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.