Finding the Fourth Proportional to 15,756,401.36, 21,761,769.99 and 10,590,794.84
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Solution
The fourth proportional to 15,756,401.36, 21,761,769.99 and 10,590,794.84 is: 14,627,352.79
Step by Step Solution
- Step 1: Write the proportion equation
15,756,401.36 : 21,761,769.99 = 10,590,794.84 : x - Step 2: Convert to fraction form
15,756,401.36/21,761,769.99 = 10,590,794.84/x - Step 3: Cross multiply
15,756,401.36x = 21,761,769.99 × 10,590,794.84 - Step 4: Simplify right side
15,756,401.36x = 230,474,441,319,358.84 - Step 5: Solve for x
x = 230,474,441,319,358.84/15,756,401.36 - Step 6: Final answer
x = 14,627,352.79
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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.