Finding the Fourth Proportional to 7,031,645.58, 10,547,874.38 and 2,713,718.21
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Solution
The fourth proportional to 7,031,645.58, 10,547,874.38 and 2,713,718.21 is: 4,070,734.00
Step by Step Solution
- Step 1: Write the proportion equation
7,031,645.58 : 10,547,874.38 = 2,713,718.21 : x - Step 2: Convert to fraction form
7,031,645.58/10,547,874.38 = 2,713,718.21/x - Step 3: Cross multiply
7,031,645.58x = 10,547,874.38 × 2,713,718.21 - Step 4: Simplify right side
7,031,645.58x = 28,623,958,729,059.09 - Step 5: Solve for x
x = 28,623,958,729,059.09/7,031,645.58 - Step 6: Final answer
x = 4,070,734.00
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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.