Finding the Fourth Proportional to 10,828,948.08, 14,938,358.22 and 7,343,107.92
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Solution
The fourth proportional to 10,828,948.08, 14,938,358.22 and 7,343,107.92 is: 10,129,698.26
Step by Step Solution
- Step 1: Write the proportion equation
10,828,948.08 : 14,938,358.22 = 7,343,107.92 : x - Step 2: Convert to fraction form
10,828,948.08/14,938,358.22 = 7,343,107.92/x - Step 3: Cross multiply
10,828,948.08x = 14,938,358.22 × 7,343,107.92 - Step 4: Simplify right side
10,828,948.08x = 109,693,976,557,079.11 - Step 5: Solve for x
x = 109,693,976,557,079.11/10,828,948.08 - Step 6: Final answer
x = 10,129,698.26
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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.