Finding the Fourth Proportional to 26,311,163, 39,466,302.78 and 7,867,149.26
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Solution
The fourth proportional to 26,311,163, 39,466,302.78 and 7,867,149.26 is: 11,800,591.81
Step by Step Solution
- Step 1: Write the proportion equation
26,311,163 : 39,466,302.78 = 7,867,149.26 : x - Step 2: Convert to fraction form
26,311,163/39,466,302.78 = 7,867,149.26/x - Step 3: Cross multiply
26,311,163x = 39,466,302.78 × 7,867,149.26 - Step 4: Simplify right side
26,311,163x = 310,487,294,710,612.94 - Step 5: Solve for x
x = 310,487,294,710,612.94/26,311,163 - Step 6: Final answer
x = 11,800,591.81
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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.