Finding the Fourth Proportional to 19,542,214.40, 29,341,315.20 and 11,039,158.40
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Solution
The fourth proportional to 19,542,214.40, 29,341,315.20 and 11,039,158.40 is: 16,574,550.84
Step by Step Solution
- Step 1: Write the proportion equation
19,542,214.40 : 29,341,315.20 = 11,039,158.40 : x - Step 2: Convert to fraction form
19,542,214.40/29,341,315.20 = 11,039,158.40/x - Step 3: Cross multiply
19,542,214.40x = 29,341,315.20 × 11,039,158.40 - Step 4: Simplify right side
19,542,214.40x = 323,903,426,157,127.69 - Step 5: Solve for x
x = 323,903,426,157,127.69/19,542,214.40 - Step 6: Final answer
x = 16,574,550.84
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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.