Finding the Fourth Proportional to 27,739,587.64, 38,283,512.36 and 15,979,262.44
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Solution
The fourth proportional to 27,739,587.64, 38,283,512.36 and 15,979,262.44 is: 22,053,041.99
Step by Step Solution
- Step 1: Write the proportion equation
27,739,587.64 : 38,283,512.36 = 15,979,262.44 : x - Step 2: Convert to fraction form
27,739,587.64/38,283,512.36 = 15,979,262.44/x - Step 3: Cross multiply
27,739,587.64x = 38,283,512.36 × 15,979,262.44 - Step 4: Simplify right side
27,739,587.64x = 611,742,291,125,423.75 - Step 5: Solve for x
x = 611,742,291,125,423.75/27,739,587.64 - Step 6: Final answer
x = 22,053,041.99
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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.