Finding the Fourth Proportional to 11,886,312.48, 17,832,026.52 and 3,688,792.80
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Solution
The fourth proportional to 11,886,312.48, 17,832,026.52 and 3,688,792.80 is: 5,533,982.99
Step by Step Solution
- Step 1: Write the proportion equation
11,886,312.48 : 17,832,026.52 = 3,688,792.80 : x - Step 2: Convert to fraction form
11,886,312.48/17,832,026.52 = 3,688,792.80/x - Step 3: Cross multiply
11,886,312.48x = 17,832,026.52 × 3,688,792.80 - Step 4: Simplify right side
11,886,312.48x = 65,778,651,036,385.05 - Step 5: Solve for x
x = 65,778,651,036,385.05/11,886,312.48 - Step 6: Final answer
x = 5,533,982.99
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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.