Finding the Fourth Proportional to 10,818,404.65, 14,929,800.63 and 6,172,946.01
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Solution
The fourth proportional to 10,818,404.65, 14,929,800.63 and 6,172,946.01 is: 8,518,894.99
Step by Step Solution
- Step 1: Write the proportion equation
10,818,404.65 : 14,929,800.63 = 6,172,946.01 : x - Step 2: Convert to fraction form
10,818,404.65/14,929,800.63 = 6,172,946.01/x - Step 3: Cross multiply
10,818,404.65x = 14,929,800.63 × 6,172,946.01 - Step 4: Simplify right side
10,818,404.65x = 92,160,853,205,905.44 - Step 5: Solve for x
x = 92,160,853,205,905.44/10,818,404.65 - Step 6: Final answer
x = 8,518,894.99
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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.