Finding the Fourth Proportional to 7,889,610.90, 11,834,416.35 and 4,102,601.70
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Solution
The fourth proportional to 7,889,610.90, 11,834,416.35 and 4,102,601.70 is: 6,153,902.55
Step by Step Solution
- Step 1: Write the proportion equation
7,889,610.90 : 11,834,416.35 = 4,102,601.70 : x - Step 2: Convert to fraction form
7,889,610.90/11,834,416.35 = 4,102,601.70/x - Step 3: Cross multiply
7,889,610.90x = 11,834,416.35 × 4,102,601.70 - Step 4: Simplify right side
7,889,610.90x = 48,551,896,636,017.80 - Step 5: Solve for x
x = 48,551,896,636,017.80/7,889,610.90 - Step 6: Final answer
x = 6,153,902.55
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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.