Finding the Fourth Proportional to 13,789,097.90, 19,031,023.84 and 10,475,940.08
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Solution
The fourth proportional to 13,789,097.90, 19,031,023.84 and 10,475,940.08 is: 14,458,368.99
Step by Step Solution
- Step 1: Write the proportion equation
13,789,097.90 : 19,031,023.84 = 10,475,940.08 : x - Step 2: Convert to fraction form
13,789,097.90/19,031,023.84 = 10,475,940.08/x - Step 3: Cross multiply
13,789,097.90x = 19,031,023.84 × 10,475,940.08 - Step 4: Simplify right side
13,789,097.90x = 199,367,865,408,891.50 - Step 5: Solve for x
x = 199,367,865,408,891.50/13,789,097.90 - Step 6: Final answer
x = 14,458,368.99
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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.