Finding the Fourth Proportional to 26,959,765.70, 40,439,648.55 and 11,843,221.70
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Solution
The fourth proportional to 26,959,765.70, 40,439,648.55 and 11,843,221.70 is: 17,764,832.55
Step by Step Solution
- Step 1: Write the proportion equation
26,959,765.70 : 40,439,648.55 = 11,843,221.70 : x - Step 2: Convert to fraction form
26,959,765.70/40,439,648.55 = 11,843,221.70/x - Step 3: Cross multiply
26,959,765.70x = 40,439,648.55 × 11,843,221.70 - Step 4: Simplify right side
26,959,765.70x = 478,935,723,247,733.50 - Step 5: Solve for x
x = 478,935,723,247,733.50/26,959,765.70 - Step 6: Final answer
x = 17,764,832.55
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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.