Finding the Fourth Proportional to 9,518,780.36, 14,246,595.72 and 8,667,818.66
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Solution
The fourth proportional to 9,518,780.36, 14,246,595.72 and 8,667,818.66 is: 12,972,975.90
Step by Step Solution
- Step 1: Write the proportion equation
9,518,780.36 : 14,246,595.72 = 8,667,818.66 : x - Step 2: Convert to fraction form
9,518,780.36/14,246,595.72 = 8,667,818.66/x - Step 3: Cross multiply
9,518,780.36x = 14,246,595.72 × 8,667,818.66 - Step 4: Simplify right side
9,518,780.36x = 123,486,908,152,059.16 - Step 5: Solve for x
x = 123,486,908,152,059.16/9,518,780.36 - Step 6: Final answer
x = 12,972,975.90
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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.