Finding the Fourth Proportional to 13,146,749.80, 19,720,124.70 and 13,146,749.80
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Solution
The fourth proportional to 13,146,749.80, 19,720,124.70 and 13,146,749.80 is: 19,720,124.70
Step by Step Solution
- Step 1: Write the proportion equation
13,146,749.80 : 19,720,124.70 = 13,146,749.80 : x - Step 2: Convert to fraction form
13,146,749.80/19,720,124.70 = 13,146,749.80/x - Step 3: Cross multiply
13,146,749.80x = 19,720,124.70 × 13,146,749.80 - Step 4: Simplify right side
13,146,749.80x = 259,255,545,455,700.06 - Step 5: Solve for x
x = 259,255,545,455,700.06/13,146,749.80 - Step 6: Final answer
x = 19,720,124.70
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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.