Finding the Fourth Proportional to 19,523,752.28, 29,285,917.71 and 7,389,957.92
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Solution
The fourth proportional to 19,523,752.28, 29,285,917.71 and 7,389,957.92 is: 11,085,046.38
Step by Step Solution
- Step 1: Write the proportion equation
19,523,752.28 : 29,285,917.71 = 7,389,957.92 : x - Step 2: Convert to fraction form
19,523,752.28/29,285,917.71 = 7,389,957.92/x - Step 3: Cross multiply
19,523,752.28x = 29,285,917.71 × 7,389,957.92 - Step 4: Simplify right side
19,523,752.28x = 216,421,699,525,482.78 - Step 5: Solve for x
x = 216,421,699,525,482.78/19,523,752.28 - Step 6: Final answer
x = 11,085,046.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.