Finding the Fourth Proportional to 7,798,325.14, 11,700,257.91 and 3,479,982.47
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Solution
The fourth proportional to 7,798,325.14, 11,700,257.91 and 3,479,982.47 is: 5,221,209.90
Step by Step Solution
- Step 1: Write the proportion equation
7,798,325.14 : 11,700,257.91 = 3,479,982.47 : x - Step 2: Convert to fraction form
7,798,325.14/11,700,257.91 = 3,479,982.47/x - Step 3: Cross multiply
7,798,325.14x = 11,700,257.91 × 3,479,982.47 - Step 4: Simplify right side
7,798,325.14x = 40,716,692,421,278.84 - Step 5: Solve for x
x = 40,716,692,421,278.84/7,798,325.14 - Step 6: Final answer
x = 5,221,209.90
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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.