Finding the Fourth Proportional to 35,430,805.74, 53,146,209.29 and 8,504,461.74
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Solution
The fourth proportional to 35,430,805.74, 53,146,209.29 and 8,504,461.74 is: 12,756,692.77
Step by Step Solution
- Step 1: Write the proportion equation
35,430,805.74 : 53,146,209.29 = 8,504,461.74 : x - Step 2: Convert to fraction form
35,430,805.74/53,146,209.29 = 8,504,461.74/x - Step 3: Cross multiply
35,430,805.74x = 53,146,209.29 × 8,504,461.74 - Step 4: Simplify right side
35,430,805.74x = 451,979,903,490,315.25 - Step 5: Solve for x
x = 451,979,903,490,315.25/35,430,805.74 - Step 6: Final answer
x = 12,756,692.77
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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.