Finding the Fourth Proportional to 7,951,320.70, 11,928,897.84 and 2,763,176.36
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Solution
The fourth proportional to 7,951,320.70, 11,928,897.84 and 2,763,176.36 is: 4,145,430.65
Step by Step Solution
- Step 1: Write the proportion equation
7,951,320.70 : 11,928,897.84 = 2,763,176.36 : x - Step 2: Convert to fraction form
7,951,320.70/11,928,897.84 = 2,763,176.36/x - Step 3: Cross multiply
7,951,320.70x = 11,928,897.84 × 2,763,176.36 - Step 4: Simplify right side
7,951,320.70x = 32,961,648,563,710.56 - Step 5: Solve for x
x = 32,961,648,563,710.56/7,951,320.70 - Step 6: Final answer
x = 4,145,430.65
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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.