Finding the Fourth Proportional to 40,737,596.20, 56,216,758.80 and 22,402,881.70
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Solution
The fourth proportional to 40,737,596.20, 56,216,758.80 and 22,402,881.70 is: 30,915,358.65
Step by Step Solution
- Step 1: Write the proportion equation
40,737,596.20 : 56,216,758.80 = 22,402,881.70 : x - Step 2: Convert to fraction form
40,737,596.20/56,216,758.80 = 22,402,881.70/x - Step 3: Cross multiply
40,737,596.20x = 56,216,758.80 × 22,402,881.70 - Step 4: Simplify right side
40,737,596.20x = 1,259,417,396,953,833.75 - Step 5: Solve for x
x = 1,259,417,396,953,833.75/40,737,596.20 - Step 6: Final answer
x = 30,915,358.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.