Finding the Fourth Proportional to 11,149,746.70, 15,393,246.33 and 7,023,315.10
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Solution
The fourth proportional to 11,149,746.70, 15,393,246.33 and 7,023,315.10 is: 9,696,329.64
Step by Step Solution
- Step 1: Write the proportion equation
11,149,746.70 : 15,393,246.33 = 7,023,315.10 : x - Step 2: Convert to fraction form
11,149,746.70/15,393,246.33 = 7,023,315.10/x - Step 3: Cross multiply
11,149,746.70x = 15,393,246.33 × 7,023,315.10 - Step 4: Simplify right side
11,149,746.70x = 108,111,619,387,508.58 - Step 5: Solve for x
x = 108,111,619,387,508.58/11,149,746.70 - Step 6: Final answer
x = 9,696,329.64
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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.