Finding the Fourth Proportional to 38,104,473.18, 52,584,541.50 and 20,700,942.96
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Solution
The fourth proportional to 38,104,473.18, 52,584,541.50 and 20,700,942.96 is: 28,567,501.49
Step by Step Solution
- Step 1: Write the proportion equation
38,104,473.18 : 52,584,541.50 = 20,700,942.96 : x - Step 2: Convert to fraction form
38,104,473.18/52,584,541.50 = 20,700,942.96/x - Step 3: Cross multiply
38,104,473.18x = 52,584,541.50 × 20,700,942.96 - Step 4: Simplify right side
38,104,473.18x = 1,088,549,594,169,252.88 - Step 5: Solve for x
x = 1,088,549,594,169,252.88/38,104,473.18 - Step 6: Final answer
x = 28,567,501.49
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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.