Finding the Fourth Proportional to 19,575,844.20, 29,363,766.30 and 5,201,130.60
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Solution
The fourth proportional to 19,575,844.20, 29,363,766.30 and 5,201,130.60 is: 7,801,695.90
Step by Step Solution
- Step 1: Write the proportion equation
19,575,844.20 : 29,363,766.30 = 5,201,130.60 : x - Step 2: Convert to fraction form
19,575,844.20/29,363,766.30 = 5,201,130.60/x - Step 3: Cross multiply
19,575,844.20x = 29,363,766.30 × 5,201,130.60 - Step 4: Simplify right side
19,575,844.20x = 152,724,783,434,178.78 - Step 5: Solve for x
x = 152,724,783,434,178.78/19,575,844.20 - Step 6: Final answer
x = 7,801,695.90
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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.