Finding the Fourth Proportional to 7,401,519.95, 10,208,461.84 and 6,370,782.03
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Solution
The fourth proportional to 7,401,519.95, 10,208,461.84 and 6,370,782.03 is: 8,786,828.33
Step by Step Solution
- Step 1: Write the proportion equation
7,401,519.95 : 10,208,461.84 = 6,370,782.03 : x - Step 2: Convert to fraction form
7,401,519.95/10,208,461.84 = 6,370,782.03/x - Step 3: Cross multiply
7,401,519.95x = 10,208,461.84 × 6,370,782.03 - Step 4: Simplify right side
7,401,519.95x = 65,035,885,212,358.84 - Step 5: Solve for x
x = 65,035,885,212,358.84/7,401,519.95 - Step 6: Final answer
x = 8,786,828.33
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1.5x scale
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.