Finding the Fourth Proportional to 56,268,661.40, 84,391,182.14 and 15,869,697.56
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Solution
The fourth proportional to 56,268,661.40, 84,391,182.14 and 15,869,697.56 is: 23,801,215.53
Step by Step Solution
- Step 1: Write the proportion equation
56,268,661.40 : 84,391,182.14 = 15,869,697.56 : x - Step 2: Convert to fraction form
56,268,661.40/84,391,182.14 = 15,869,697.56/x - Step 3: Cross multiply
56,268,661.40x = 84,391,182.14 × 15,869,697.56 - Step 4: Simplify right side
56,268,661.40x = 1,339,262,537,292,673.75 - Step 5: Solve for x
x = 1,339,262,537,292,673.75/56,268,661.40 - Step 6: Final answer
x = 23,801,215.53
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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.