Finding the Fourth Proportional to 19,561,133.20, 29,313,706.20 and 14,403,312.40
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Solution
The fourth proportional to 19,561,133.20, 29,313,706.20 and 14,403,312.40 is: 21,584,356.27
Step by Step Solution
- Step 1: Write the proportion equation
19,561,133.20 : 29,313,706.20 = 14,403,312.40 : x - Step 2: Convert to fraction form
19,561,133.20/29,313,706.20 = 14,403,312.40/x - Step 3: Cross multiply
19,561,133.20x = 29,313,706.20 × 14,403,312.40 - Step 4: Simplify right side
19,561,133.20x = 422,214,468,000,416.88 - Step 5: Solve for x
x = 422,214,468,000,416.88/19,561,133.20 - Step 6: Final answer
x = 21,584,356.27
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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.