Finding the Fourth Proportional to 20,809,797.03, 31,217,686.47 and 6,433,985.84
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Solution
The fourth proportional to 20,809,797.03, 31,217,686.47 and 6,433,985.84 is: 9,651,903.49
Step by Step Solution
- Step 1: Write the proportion equation
20,809,797.03 : 31,217,686.47 = 6,433,985.84 : x - Step 2: Convert to fraction form
20,809,797.03/31,217,686.47 = 6,433,985.84/x - Step 3: Cross multiply
20,809,797.03x = 31,217,686.47 × 6,433,985.84 - Step 4: Simplify right side
20,809,797.03x = 200,854,152,549,451.16 - Step 5: Solve for x
x = 200,854,152,549,451.16/20,809,797.03 - Step 6: Final answer
x = 9,651,903.49
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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.