Finding the Fourth Proportional to 7,873,507.97, 11,810,262.11 and 1,889,875.97
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Solution
The fourth proportional to 7,873,507.97, 11,810,262.11 and 1,889,875.97 is: 2,834,813.99
Step by Step Solution
- Step 1: Write the proportion equation
7,873,507.97 : 11,810,262.11 = 1,889,875.97 : x - Step 2: Convert to fraction form
7,873,507.97/11,810,262.11 = 1,889,875.97/x - Step 3: Cross multiply
7,873,507.97x = 11,810,262.11 × 1,889,875.97 - Step 4: Simplify right side
7,873,507.97x = 22,319,930,536,878.29 - Step 5: Solve for x
x = 22,319,930,536,878.29/7,873,507.97 - Step 6: Final answer
x = 2,834,813.99
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1.5x scale
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.