Finding the Fourth Proportional to 7,770,363.76, 11,652,746.28 and 3,282,989.68
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Solution
The fourth proportional to 7,770,363.76, 11,652,746.28 and 3,282,989.68 is: 4,923,301.79
Step by Step Solution
- Step 1: Write the proportion equation
7,770,363.76 : 11,652,746.28 = 3,282,989.68 : x - Step 2: Convert to fraction form
7,770,363.76/11,652,746.28 = 3,282,989.68/x - Step 3: Cross multiply
7,770,363.76x = 11,652,746.28 × 3,282,989.68 - Step 4: Simplify right side
7,770,363.76x = 38,255,845,780,898.39 - Step 5: Solve for x
x = 38,255,845,780,898.39/7,770,363.76 - Step 6: Final answer
x = 4,923,301.79
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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.