Finding the Fourth Proportional to 26,205,121.70, 39,307,682.55 and 8,009,281.70
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Solution
The fourth proportional to 26,205,121.70, 39,307,682.55 and 8,009,281.70 is: 12,013,922.55
Step by Step Solution
- Step 1: Write the proportion equation
26,205,121.70 : 39,307,682.55 = 8,009,281.70 : x - Step 2: Convert to fraction form
26,205,121.70/39,307,682.55 = 8,009,281.70/x - Step 3: Cross multiply
26,205,121.70x = 39,307,682.55 × 8,009,281.70 - Step 4: Simplify right side
26,205,121.70x = 314,826,302,517,124.31 - Step 5: Solve for x
x = 314,826,302,517,124.31/26,205,121.70 - Step 6: Final answer
x = 12,013,922.55
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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.