Finding the Fourth Proportional to 26,953,793.40, 40,403,133.90 and 13,285,918.20
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Solution
The fourth proportional to 26,953,793.40, 40,403,133.90 and 13,285,918.20 is: 19,915,294.45
Step by Step Solution
- Step 1: Write the proportion equation
26,953,793.40 : 40,403,133.90 = 13,285,918.20 : x - Step 2: Convert to fraction form
26,953,793.40/40,403,133.90 = 13,285,918.20/x - Step 3: Cross multiply
26,953,793.40x = 40,403,133.90 × 13,285,918.20 - Step 4: Simplify right side
26,953,793.40x = 536,792,732,019,046.94 - Step 5: Solve for x
x = 536,792,732,019,046.94/26,953,793.40 - Step 6: Final answer
x = 19,915,294.45
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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.