Finding the Fourth Proportional to 19,890,688.68, 29,833,076.88 and 5,512,257.36
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Solution
The fourth proportional to 19,890,688.68, 29,833,076.88 and 5,512,257.36 is: 8,267,566.81
Step by Step Solution
- Step 1: Write the proportion equation
19,890,688.68 : 29,833,076.88 = 5,512,257.36 : x - Step 2: Convert to fraction form
19,890,688.68/29,833,076.88 = 5,512,257.36/x - Step 3: Cross multiply
19,890,688.68x = 29,833,076.88 × 5,512,257.36 - Step 4: Simplify right side
19,890,688.68x = 164,447,597,603,225.84 - Step 5: Solve for x
x = 164,447,597,603,225.84/19,890,688.68 - Step 6: Final answer
x = 8,267,566.81
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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.