Finding the Fourth Proportional to 18,008,040.16, 26,995,507.44 and 6,490,689.12
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Solution
The fourth proportional to 18,008,040.16, 26,995,507.44 and 6,490,689.12 is: 9,730,067.51
Step by Step Solution
- Step 1: Write the proportion equation
18,008,040.16 : 26,995,507.44 = 6,490,689.12 : x - Step 2: Convert to fraction form
18,008,040.16/26,995,507.44 = 6,490,689.12/x - Step 3: Cross multiply
18,008,040.16x = 26,995,507.44 × 6,490,689.12 - Step 4: Simplify right side
18,008,040.16x = 175,219,446,429,687.06 - Step 5: Solve for x
x = 175,219,446,429,687.06/18,008,040.16 - Step 6: Final answer
x = 9,730,067.51
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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.