Finding the Fourth Proportional to 27,585,378.74, 38,065,097.33 and 15,363,372.98
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Solution
The fourth proportional to 27,585,378.74, 38,065,097.33 and 15,363,372.98 is: 21,199,936.87
Step by Step Solution
- Step 1: Write the proportion equation
27,585,378.74 : 38,065,097.33 = 15,363,372.98 : x - Step 2: Convert to fraction form
27,585,378.74/38,065,097.33 = 15,363,372.98/x - Step 3: Cross multiply
27,585,378.74x = 38,065,097.33 × 15,363,372.98 - Step 4: Simplify right side
27,585,378.74x = 584,808,287,800,792.12 - Step 5: Solve for x
x = 584,808,287,800,792.12/27,585,378.74 - Step 6: Final answer
x = 21,199,936.87
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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.