Finding the Fourth Proportional to 8,593,038.62, 11,855,037.08 and 4,919,992.18
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Solution
The fourth proportional to 8,593,038.62, 11,855,037.08 and 4,919,992.18 is: 6,787,667.59
Step by Step Solution
- Step 1: Write the proportion equation
8,593,038.62 : 11,855,037.08 = 4,919,992.18 : x - Step 2: Convert to fraction form
8,593,038.62/11,855,037.08 = 4,919,992.18/x - Step 3: Cross multiply
8,593,038.62x = 11,855,037.08 × 4,919,992.18 - Step 4: Simplify right side
8,593,038.62x = 58,326,689,727,210.03 - Step 5: Solve for x
x = 58,326,689,727,210.03/8,593,038.62 - Step 6: Final answer
x = 6,787,667.59
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1.5x scale
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.