Finding the Fourth Proportional to 7,341,507.12, 11,012,260.68 and 2,854,832.88
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Solution
The fourth proportional to 7,341,507.12, 11,012,260.68 and 2,854,832.88 is: 4,282,249.32
Step by Step Solution
- Step 1: Write the proportion equation
7,341,507.12 : 11,012,260.68 = 2,854,832.88 : x - Step 2: Convert to fraction form
7,341,507.12/11,012,260.68 = 2,854,832.88/x - Step 3: Cross multiply
7,341,507.12x = 11,012,260.68 × 2,854,832.88 - Step 4: Simplify right side
7,341,507.12x = 31,438,163,872,395.16 - Step 5: Solve for x
x = 31,438,163,872,395.16/7,341,507.12 - Step 6: Final answer
x = 4,282,249.32
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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.