Finding the Fourth Proportional to 9,031,471.98, 12,461,628.36 and 5,496,901.12
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Solution
The fourth proportional to 9,031,471.98, 12,461,628.36 and 5,496,901.12 is: 7,584,626.19
Step by Step Solution
- Step 1: Write the proportion equation
9,031,471.98 : 12,461,628.36 = 5,496,901.12 : x - Step 2: Convert to fraction form
9,031,471.98/12,461,628.36 = 5,496,901.12/x - Step 3: Cross multiply
9,031,471.98x = 12,461,628.36 × 5,496,901.12 - Step 4: Simplify right side
9,031,471.98x = 68,500,338,889,107.76 - Step 5: Solve for x
x = 68,500,338,889,107.76/9,031,471.98 - Step 6: Final answer
x = 7,584,626.19
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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.