Finding the Fourth Proportional to 10,571,139.36, 14,587,782.48 and 5,742,139.68
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Solution
The fourth proportional to 10,571,139.36, 14,587,782.48 and 5,742,139.68 is: 7,923,941.00
Step by Step Solution
- Step 1: Write the proportion equation
10,571,139.36 : 14,587,782.48 = 5,742,139.68 : x - Step 2: Convert to fraction form
10,571,139.36/14,587,782.48 = 5,742,139.68/x - Step 3: Cross multiply
10,571,139.36x = 14,587,782.48 × 5,742,139.68 - Step 4: Simplify right side
10,571,139.36x = 83,765,084,621,616.80 - Step 5: Solve for x
x = 83,765,084,621,616.80/10,571,139.36 - Step 6: Final answer
x = 7,923,941.00
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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.