Finding the Fourth Proportional to 19,568,374.85, 27,004,405.70 and 10,866,547.20
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Solution
The fourth proportional to 19,568,374.85, 27,004,405.70 and 10,866,547.20 is: 14,995,862.02
Step by Step Solution
- Step 1: Write the proportion equation
19,568,374.85 : 27,004,405.70 = 10,866,547.20 : x - Step 2: Convert to fraction form
19,568,374.85/27,004,405.70 = 10,866,547.20/x - Step 3: Cross multiply
19,568,374.85x = 27,004,405.70 × 10,866,547.20 - Step 4: Simplify right side
19,568,374.85x = 293,444,649,214,510.06 - Step 5: Solve for x
x = 293,444,649,214,510.06/19,568,374.85 - Step 6: Final answer
x = 14,995,862.02
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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.