Finding the Fourth Proportional to 21,781,980.24, 32,683,992.84 and 9,011,649.84
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Solution
The fourth proportional to 21,781,980.24, 32,683,992.84 and 9,011,649.84 is: 13,522,034.98
Step by Step Solution
- Step 1: Write the proportion equation
21,781,980.24 : 32,683,992.84 = 9,011,649.84 : x - Step 2: Convert to fraction form
21,781,980.24/32,683,992.84 = 9,011,649.84/x - Step 3: Cross multiply
21,781,980.24x = 32,683,992.84 × 9,011,649.84 - Step 4: Simplify right side
21,781,980.24x = 294,536,698,847,147.12 - Step 5: Solve for x
x = 294,536,698,847,147.12/21,781,980.24 - Step 6: Final answer
x = 13,522,034.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.