Finding the Fourth Proportional to 38,468,322.78, 52,979,237.91 and 29,734,319.58
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Solution
The fourth proportional to 38,468,322.78, 52,979,237.91 and 29,734,319.58 is: 40,950,618.00
Step by Step Solution
- Step 1: Write the proportion equation
38,468,322.78 : 52,979,237.91 = 29,734,319.58 : x - Step 2: Convert to fraction form
38,468,322.78/52,979,237.91 = 29,734,319.58/x - Step 3: Cross multiply
38,468,322.78x = 52,979,237.91 × 29,734,319.58 - Step 4: Simplify right side
38,468,322.78x = 1,575,301,591,120,791 - Step 5: Solve for x
x = 1,575,301,591,120,791/38,468,322.78 - Step 6: Final answer
x = 40,950,618.00
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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.