Finding the Fourth Proportional to 14,289,181.97, 19,719,209.30 and 7,762,858.11
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Solution
The fourth proportional to 14,289,181.97, 19,719,209.30 and 7,762,858.11 is: 10,712,819.26
Step by Step Solution
- Step 1: Write the proportion equation
14,289,181.97 : 19,719,209.30 = 7,762,858.11 : x - Step 2: Convert to fraction form
14,289,181.97/19,719,209.30 = 7,762,858.11/x - Step 3: Cross multiply
14,289,181.97x = 19,719,209.30 × 7,762,858.11 - Step 4: Simplify right side
14,289,181.97x = 153,077,423,798,478.16 - Step 5: Solve for x
x = 153,077,423,798,478.16/14,289,181.97 - Step 6: Final answer
x = 10,712,819.26
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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.