Finding the Fourth Proportional to 11,280,901.72, 15,567,560.77 and 6,124,130.68
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Solution
The fourth proportional to 11,280,901.72, 15,567,560.77 and 6,124,130.68 is: 8,451,254.95
Step by Step Solution
- Step 1: Write the proportion equation
11,280,901.72 : 15,567,560.77 = 6,124,130.68 : x - Step 2: Convert to fraction form
11,280,901.72/15,567,560.77 = 6,124,130.68/x - Step 3: Cross multiply
11,280,901.72x = 15,567,560.77 × 6,124,130.68 - Step 4: Simplify right side
11,280,901.72x = 95,337,776,446,483.61 - Step 5: Solve for x
x = 95,337,776,446,483.61/11,280,901.72 - Step 6: Final answer
x = 8,451,254.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.