Finding the Fourth Proportional to 47,197,890.91, 70,800,988.29 and 14,415,860.62
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Solution
The fourth proportional to 47,197,890.91, 70,800,988.29 and 14,415,860.62 is: 21,625,059.07
Step by Step Solution
- Step 1: Write the proportion equation
47,197,890.91 : 70,800,988.29 = 14,415,860.62 : x - Step 2: Convert to fraction form
47,197,890.91/70,800,988.29 = 14,415,860.62/x - Step 3: Cross multiply
47,197,890.91x = 70,800,988.29 × 14,415,860.62 - Step 4: Simplify right side
47,197,890.91x = 1,020,657,178,946,892.12 - Step 5: Solve for x
x = 1,020,657,178,946,892.12/47,197,890.91 - Step 6: Final answer
x = 21,625,059.07
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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.