Finding the Fourth Proportional to 29,355,220.80, 44,032,831.20 and 29,071,785.60
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Solution
The fourth proportional to 29,355,220.80, 44,032,831.20 and 29,071,785.60 is: 43,607,678.40
Step by Step Solution
- Step 1: Write the proportion equation
29,355,220.80 : 44,032,831.20 = 29,071,785.60 : x - Step 2: Convert to fraction form
29,355,220.80/44,032,831.20 = 29,071,785.60/x - Step 3: Cross multiply
29,355,220.80x = 44,032,831.20 × 29,071,785.60 - Step 4: Simplify right side
29,355,220.80x = 1,280,113,028,007,390.75 - Step 5: Solve for x
x = 1,280,113,028,007,390.75/29,355,220.80 - Step 6: Final answer
x = 43,607,678.40
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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.