Finding the Fourth Proportional to 43,568,868.74, 65,360,395.74 and 12,866,553.68
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Solution
The fourth proportional to 43,568,868.74, 65,360,395.74 and 12,866,553.68 is: 19,301,925.08
Step by Step Solution
- Step 1: Write the proportion equation
43,568,868.74 : 65,360,395.74 = 12,866,553.68 : x - Step 2: Convert to fraction form
43,568,868.74/65,360,395.74 = 12,866,553.68/x - Step 3: Cross multiply
43,568,868.74x = 65,360,395.74 × 12,866,553.68 - Step 4: Simplify right side
43,568,868.74x = 840,963,040,334,753.38 - Step 5: Solve for x
x = 840,963,040,334,753.38/43,568,868.74 - Step 6: Final answer
x = 19,301,925.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.