Finding the Fourth Proportional to 19,930,536.36, 29,895,803.33 and 4,784,467.86
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Solution
The fourth proportional to 19,930,536.36, 29,895,803.33 and 4,784,467.86 is: 7,176,701.50
Step by Step Solution
- Step 1: Write the proportion equation
19,930,536.36 : 29,895,803.33 = 4,784,467.86 : x - Step 2: Convert to fraction form
19,930,536.36/29,895,803.33 = 4,784,467.86/x - Step 3: Cross multiply
19,930,536.36x = 29,895,803.33 × 4,784,467.86 - Step 4: Simplify right side
19,930,536.36x = 143,035,510,157,343.66 - Step 5: Solve for x
x = 143,035,510,157,343.66/19,930,536.36 - Step 6: Final answer
x = 7,176,701.50
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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.