Finding the Fourth Proportional to 19,542,649.40, 29,337,593.70 and 19,400,931.80
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Solution
The fourth proportional to 19,542,649.40, 29,337,593.70 and 19,400,931.80 is: 29,124,846.02
Step by Step Solution
- Step 1: Write the proportion equation
19,542,649.40 : 29,337,593.70 = 19,400,931.80 : x - Step 2: Convert to fraction form
19,542,649.40/29,337,593.70 = 19,400,931.80/x - Step 3: Cross multiply
19,542,649.40x = 29,337,593.70 × 19,400,931.80 - Step 4: Simplify right side
19,542,649.40x = 569,176,654,549,809.62 - Step 5: Solve for x
x = 569,176,654,549,809.62/19,542,649.40 - Step 6: Final answer
x = 29,124,846.02
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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.