Finding the Fourth Proportional to 36,749,986.29, 55,130,024.11 and 12,482,398.23
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Solution
The fourth proportional to 36,749,986.29, 55,130,024.11 and 12,482,398.23 is: 18,725,310.81
Step by Step Solution
- Step 1: Write the proportion equation
36,749,986.29 : 55,130,024.11 = 12,482,398.23 : x - Step 2: Convert to fraction form
36,749,986.29/55,130,024.11 = 12,482,398.23/x - Step 3: Cross multiply
36,749,986.29x = 55,130,024.11 × 12,482,398.23 - Step 4: Simplify right side
36,749,986.29x = 688,154,915,370,521.38 - Step 5: Solve for x
x = 688,154,915,370,521.38/36,749,986.29 - Step 6: Final answer
x = 18,725,310.81
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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.