Finding the Fourth Proportional to 13,176,071.70, 19,764,107.55 and 4,657,269.30
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Solution
The fourth proportional to 13,176,071.70, 19,764,107.55 and 4,657,269.30 is: 6,985,903.95
Step by Step Solution
- Step 1: Write the proportion equation
13,176,071.70 : 19,764,107.55 = 4,657,269.30 : x - Step 2: Convert to fraction form
13,176,071.70/19,764,107.55 = 4,657,269.30/x - Step 3: Cross multiply
13,176,071.70x = 19,764,107.55 × 4,657,269.30 - Step 4: Simplify right side
13,176,071.70x = 92,046,771,334,513.22 - Step 5: Solve for x
x = 92,046,771,334,513.22/13,176,071.70 - Step 6: Final answer
x = 6,985,903.95
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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.