Finding the Fourth Proportional to 20,104,169.22, 29,928,871.04 and 19,984,595.40
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Solution
The fourth proportional to 20,104,169.22, 29,928,871.04 and 19,984,595.40 is: 29,750,862.71
Step by Step Solution
- Step 1: Write the proportion equation
20,104,169.22 : 29,928,871.04 = 19,984,595.40 : x - Step 2: Convert to fraction form
20,104,169.22/29,928,871.04 = 19,984,595.40/x - Step 3: Cross multiply
20,104,169.22x = 29,928,871.04 × 19,984,595.40 - Step 4: Simplify right side
20,104,169.22x = 598,116,378,413,254.25 - Step 5: Solve for x
x = 598,116,378,413,254.25/20,104,169.22 - Step 6: Final answer
x = 29,750,862.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.