Finding the Fourth Proportional to 19,351,646.80, 29,030,542.20 and 6,573,355.60
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Solution
The fourth proportional to 19,351,646.80, 29,030,542.20 and 6,573,355.60 is: 9,861,076.90
Step by Step Solution
- Step 1: Write the proportion equation
19,351,646.80 : 29,030,542.20 = 6,573,355.60 : x - Step 2: Convert to fraction form
19,351,646.80/29,030,542.20 = 6,573,355.60/x - Step 3: Cross multiply
19,351,646.80x = 29,030,542.20 × 6,573,355.60 - Step 4: Simplify right side
19,351,646.80x = 190,828,077,141,406.31 - Step 5: Solve for x
x = 190,828,077,141,406.31/19,351,646.80 - Step 6: Final answer
x = 9,861,076.90
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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.