Finding the Fourth Proportional to 47,461,671.51, 65,507,351.07 and 28,882,797.60
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Solution
The fourth proportional to 47,461,671.51, 65,507,351.07 and 28,882,797.60 is: 39,864,494.90
Step by Step Solution
- Step 1: Write the proportion equation
47,461,671.51 : 65,507,351.07 = 28,882,797.60 : x - Step 2: Convert to fraction form
47,461,671.51/65,507,351.07 = 28,882,797.60/x - Step 3: Cross multiply
47,461,671.51x = 65,507,351.07 × 28,882,797.60 - Step 4: Simplify right side
47,461,671.51x = 1,892,035,561,867,209.75 - Step 5: Solve for x
x = 1,892,035,561,867,209.75/47,461,671.51 - Step 6: Final answer
x = 39,864,494.90
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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.