Finding the Fourth Proportional to 39,873,460.80, 59,810,191.20 and 14,311,148.70
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Solution
The fourth proportional to 39,873,460.80, 59,810,191.20 and 14,311,148.70 is: 21,466,723.05
Step by Step Solution
- Step 1: Write the proportion equation
39,873,460.80 : 59,810,191.20 = 14,311,148.70 : x - Step 2: Convert to fraction form
39,873,460.80/59,810,191.20 = 14,311,148.70/x - Step 3: Cross multiply
39,873,460.80x = 59,810,191.20 × 14,311,148.70 - Step 4: Simplify right side
39,873,460.80x = 855,952,540,038,631.50 - Step 5: Solve for x
x = 855,952,540,038,631.50/39,873,460.80 - Step 6: Final answer
x = 21,466,723.05
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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.