Finding the Fourth Proportional to 46,416,385.36, 69,624,501.88 and 12,337,731.68
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Solution
The fourth proportional to 46,416,385.36, 69,624,501.88 and 12,337,731.68 is: 18,506,577.28
Step by Step Solution
- Step 1: Write the proportion equation
46,416,385.36 : 69,624,501.88 = 12,337,731.68 : x - Step 2: Convert to fraction form
46,416,385.36/69,624,501.88 = 12,337,731.68/x - Step 3: Cross multiply
46,416,385.36x = 69,624,501.88 × 12,337,731.68 - Step 4: Simplify right side
46,416,385.36x = 859,008,422,549,095.50 - Step 5: Solve for x
x = 859,008,422,549,095.50/46,416,385.36 - Step 6: Final answer
x = 18,506,577.28
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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.