Finding the Fourth Proportional to 13,889,542.67, 19,165,751.18 and 8,009,394.03
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Solution
The fourth proportional to 13,889,542.67, 19,165,751.18 and 8,009,394.03 is: 11,051,915.58
Step by Step Solution
- Step 1: Write the proportion equation
13,889,542.67 : 19,165,751.18 = 8,009,394.03 : x - Step 2: Convert to fraction form
13,889,542.67/19,165,751.18 = 8,009,394.03/x - Step 3: Cross multiply
13,889,542.67x = 19,165,751.18 × 8,009,394.03 - Step 4: Simplify right side
13,889,542.67x = 153,506,053,041,510.50 - Step 5: Solve for x
x = 153,506,053,041,510.50/13,889,542.67 - Step 6: Final answer
x = 11,051,915.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.