Finding the Fourth Proportional to 18,953,881.45, 28,430,905.46 and 6,000,095.75
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Solution
The fourth proportional to 18,953,881.45, 28,430,905.46 and 6,000,095.75 is: 9,000,169.99
Step by Step Solution
- Step 1: Write the proportion equation
18,953,881.45 : 28,430,905.46 = 6,000,095.75 : x - Step 2: Convert to fraction form
18,953,881.45/28,430,905.46 = 6,000,095.75/x - Step 3: Cross multiply
18,953,881.45x = 28,430,905.46 × 6,000,095.75 - Step 4: Simplify right side
18,953,881.45x = 170,588,155,019,197.81 - Step 5: Solve for x
x = 170,588,155,019,197.81/18,953,881.45 - Step 6: Final answer
x = 9,000,169.99
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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.