Finding the Fourth Proportional to 8,818,838.28, 13,228,139.70 and 4,270,294.08
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Solution
The fourth proportional to 8,818,838.28, 13,228,139.70 and 4,270,294.08 is: 6,405,384.12
Step by Step Solution
- Step 1: Write the proportion equation
8,818,838.28 : 13,228,139.70 = 4,270,294.08 : x - Step 2: Convert to fraction form
8,818,838.28/13,228,139.70 = 4,270,294.08/x - Step 3: Cross multiply
8,818,838.28x = 13,228,139.70 × 4,270,294.08 - Step 4: Simplify right side
8,818,838.28x = 56,488,046,650,322.98 - Step 5: Solve for x
x = 56,488,046,650,322.98/8,818,838.28 - Step 6: Final answer
x = 6,405,384.12
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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.