Finding the Fourth Proportional to 44,286,905.55, 66,430,358.33 and 21,612,089.55
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Solution
The fourth proportional to 44,286,905.55, 66,430,358.33 and 21,612,089.55 is: 32,418,134.33
Step by Step Solution
- Step 1: Write the proportion equation
44,286,905.55 : 66,430,358.33 = 21,612,089.55 : x - Step 2: Convert to fraction form
44,286,905.55/66,430,358.33 = 21,612,089.55/x - Step 3: Cross multiply
44,286,905.55x = 66,430,358.33 × 21,612,089.55 - Step 4: Simplify right side
44,286,905.55x = 1,435,698,852,958,488 - Step 5: Solve for x
x = 1,435,698,852,958,488/44,286,905.55 - Step 6: Final answer
x = 32,418,134.33
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1.5x scale
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.