Finding the Fourth Proportional to 15,325,707.81, 22,991,395.09 and 4,395,439.83
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Solution
The fourth proportional to 15,325,707.81, 22,991,395.09 and 4,395,439.83 is: 6,593,972.36
Step by Step Solution
- Step 1: Write the proportion equation
15,325,707.81 : 22,991,395.09 = 4,395,439.83 : x - Step 2: Convert to fraction form
15,325,707.81/22,991,395.09 = 4,395,439.83/x - Step 3: Cross multiply
15,325,707.81x = 22,991,395.09 × 4,395,439.83 - Step 4: Simplify right side
15,325,707.81x = 101,057,293,725,852.44 - Step 5: Solve for x
x = 101,057,293,725,852.44/15,325,707.81 - Step 6: Final answer
x = 6,593,972.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.