Finding the Fourth Proportional to 15,725,851.36, 21,708,370.92 and 10,572,202
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Solution
The fourth proportional to 15,725,851.36, 21,708,370.92 and 10,572,202 is: 14,594,140.39
Step by Step Solution
- Step 1: Write the proportion equation
15,725,851.36 : 21,708,370.92 = 10,572,202 : x - Step 2: Convert to fraction form
15,725,851.36/21,708,370.92 = 10,572,202/x - Step 3: Cross multiply
15,725,851.36x = 21,708,370.92 × 10,572,202 - Step 4: Simplify right side
15,725,851.36x = 229,505,282,457,165.84 - Step 5: Solve for x
x = 229,505,282,457,165.84/15,725,851.36 - Step 6: Final answer
x = 14,594,140.39
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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.