Finding the Fourth Proportional to 19,439,780.24, 29,159,470.76 and 11,237,203.20
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Solution
The fourth proportional to 19,439,780.24, 29,159,470.76 and 11,237,203.20 is: 16,855,689.43
Step by Step Solution
- Step 1: Write the proportion equation
19,439,780.24 : 29,159,470.76 = 11,237,203.20 : x - Step 2: Convert to fraction form
19,439,780.24/29,159,470.76 = 11,237,203.20/x - Step 3: Cross multiply
19,439,780.24x = 29,159,470.76 × 11,237,203.20 - Step 4: Simplify right side
19,439,780.24x = 327,670,898,250,949.69 - Step 5: Solve for x
x = 327,670,898,250,949.69/19,439,780.24 - Step 6: Final answer
x = 16,855,689.43
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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.