Finding the Fourth Proportional to 40,417,062.20, 60,625,593.30 and 31,347,135.80
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Solution
The fourth proportional to 40,417,062.20, 60,625,593.30 and 31,347,135.80 is: 47,020,703.70
Step by Step Solution
- Step 1: Write the proportion equation
40,417,062.20 : 60,625,593.30 = 31,347,135.80 : x - Step 2: Convert to fraction form
40,417,062.20/60,625,593.30 = 31,347,135.80/x - Step 3: Cross multiply
40,417,062.20x = 60,625,593.30 × 31,347,135.80 - Step 4: Simplify right side
40,417,062.20x = 1,900,438,706,130,670 - Step 5: Solve for x
x = 1,900,438,706,130,670/40,417,062.20 - Step 6: Final answer
x = 47,020,703.70
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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.