Finding the Fourth Proportional to 7,578,407.46, 11,367,447 and 2,113,356.44
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Solution
The fourth proportional to 7,578,407.46, 11,367,447 and 2,113,356.44 is: 3,169,988.87
Step by Step Solution
- Step 1: Write the proportion equation
7,578,407.46 : 11,367,447 = 2,113,356.44 : x - Step 2: Convert to fraction form
7,578,407.46/11,367,447 = 2,113,356.44/x - Step 3: Cross multiply
7,578,407.46x = 11,367,447 × 2,113,356.44 - Step 4: Simplify right side
7,578,407.46x = 24,023,467,266,971.45 - Step 5: Solve for x
x = 24,023,467,266,971.45/7,578,407.46 - Step 6: Final answer
x = 3,169,988.87
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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.