Finding the Fourth Proportional to 13,203,308.85, 19,790,984.98 and 4,441,246.19
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Solution
The fourth proportional to 13,203,308.85, 19,790,984.98 and 4,441,246.19 is: 6,657,167.35
Step by Step Solution
- Step 1: Write the proportion equation
13,203,308.85 : 19,790,984.98 = 4,441,246.19 : x - Step 2: Convert to fraction form
13,203,308.85/19,790,984.98 = 4,441,246.19/x - Step 3: Cross multiply
13,203,308.85x = 19,790,984.98 × 4,441,246.19 - Step 4: Simplify right side
13,203,308.85x = 87,896,636,638,772.23 - Step 5: Solve for x
x = 87,896,636,638,772.23/13,203,308.85 - Step 6: Final answer
x = 6,657,167.35
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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.