Finding the Fourth Proportional to 39,447,219.70, 59,170,829.55 and 22,228,531.30
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Solution
The fourth proportional to 39,447,219.70, 59,170,829.55 and 22,228,531.30 is: 33,342,796.95
Step by Step Solution
- Step 1: Write the proportion equation
39,447,219.70 : 59,170,829.55 = 22,228,531.30 : x - Step 2: Convert to fraction form
39,447,219.70/59,170,829.55 = 22,228,531.30/x - Step 3: Cross multiply
39,447,219.70x = 59,170,829.55 × 22,228,531.30 - Step 4: Simplify right side
39,447,219.70x = 1,315,280,636,699,140 - Step 5: Solve for x
x = 1,315,280,636,699,140/39,447,219.70 - Step 6: Final answer
x = 33,342,796.95
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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.