Finding the Fourth Proportional to 7,352,465.40, 11,028,698.10 and 5,651,854.20
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Solution
The fourth proportional to 7,352,465.40, 11,028,698.10 and 5,651,854.20 is: 8,477,781.30
Step by Step Solution
- Step 1: Write the proportion equation
7,352,465.40 : 11,028,698.10 = 5,651,854.20 : x - Step 2: Convert to fraction form
7,352,465.40/11,028,698.10 = 5,651,854.20/x - Step 3: Cross multiply
7,352,465.40x = 11,028,698.10 × 5,651,854.20 - Step 4: Simplify right side
7,352,465.40x = 62,332,593,677,017.02 - Step 5: Solve for x
x = 62,332,593,677,017.02/7,352,465.40 - Step 6: Final answer
x = 8,477,781.30
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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.