Finding the Fourth Proportional to 33,857,664.08, 46,727,565.14 and 20,106,628.21
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Solution
The fourth proportional to 33,857,664.08, 46,727,565.14 and 20,106,628.21 is: 27,749,515.65
Step by Step Solution
- Step 1: Write the proportion equation
33,857,664.08 : 46,727,565.14 = 20,106,628.21 : x - Step 2: Convert to fraction form
33,857,664.08/46,727,565.14 = 20,106,628.21/x - Step 3: Cross multiply
33,857,664.08x = 46,727,565.14 × 20,106,628.21 - Step 4: Simplify right side
33,857,664.08x = 939,533,779,361,984.25 - Step 5: Solve for x
x = 939,533,779,361,984.25/33,857,664.08 - Step 6: Final answer
x = 27,749,515.65
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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.