Finding the Fourth Proportional to 28,057,763.08, 38,708,696.30 and 16,295,029.08
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Solution
The fourth proportional to 28,057,763.08, 38,708,696.30 and 16,295,029.08 is: 22,480,741.96
Step by Step Solution
- Step 1: Write the proportion equation
28,057,763.08 : 38,708,696.30 = 16,295,029.08 : x - Step 2: Convert to fraction form
28,057,763.08/38,708,696.30 = 16,295,029.08/x - Step 3: Cross multiply
28,057,763.08x = 38,708,696.30 × 16,295,029.08 - Step 4: Simplify right side
28,057,763.08x = 630,759,331,857,388.38 - Step 5: Solve for x
x = 630,759,331,857,388.38/28,057,763.08 - Step 6: Final answer
x = 22,480,741.96
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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.