Finding the Fourth Proportional to 12,497,248.55, 17,247,501.83 and 7,199,126.21
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Solution
The fourth proportional to 12,497,248.55, 17,247,501.83 and 7,199,126.21 is: 9,935,542.37
Step by Step Solution
- Step 1: Write the proportion equation
12,497,248.55 : 17,247,501.83 = 7,199,126.21 : x - Step 2: Convert to fraction form
12,497,248.55/17,247,501.83 = 7,199,126.21/x - Step 3: Cross multiply
12,497,248.55x = 17,247,501.83 × 7,199,126.21 - Step 4: Simplify right side
12,497,248.55x = 124,166,942,445,380.33 - Step 5: Solve for x
x = 124,166,942,445,380.33/12,497,248.55 - Step 6: Final answer
x = 9,935,542.37
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1.5x scale
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.