Finding the Fourth Proportional to 11,338,183.80, 15,646,019.40 and 6,442,726.46
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Solution
The fourth proportional to 11,338,183.80, 15,646,019.40 and 6,442,726.46 is: 8,890,579.38
Step by Step Solution
- Step 1: Write the proportion equation
11,338,183.80 : 15,646,019.40 = 6,442,726.46 : x - Step 2: Convert to fraction form
11,338,183.80/15,646,019.40 = 6,442,726.46/x - Step 3: Cross multiply
11,338,183.80x = 15,646,019.40 × 6,442,726.46 - Step 4: Simplify right side
11,338,183.80x = 100,803,023,103,823.23 - Step 5: Solve for x
x = 100,803,023,103,823.23/11,338,183.80 - Step 6: Final answer
x = 8,890,579.38
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1.5x scale
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.