Finding the Fourth Proportional to 10,296,245.21, 14,208,820.16 and 5,712,555.65
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Solution
The fourth proportional to 10,296,245.21, 14,208,820.16 and 5,712,555.65 is: 7,883,327.77
Step by Step Solution
- Step 1: Write the proportion equation
10,296,245.21 : 14,208,820.16 = 5,712,555.65 : x - Step 2: Convert to fraction form
10,296,245.21/14,208,820.16 = 5,712,555.65/x - Step 3: Cross multiply
10,296,245.21x = 14,208,820.16 × 5,712,555.65 - Step 4: Simplify right side
10,296,245.21x = 81,168,675,785,235.02 - Step 5: Solve for x
x = 81,168,675,785,235.02/10,296,245.21 - Step 6: Final answer
x = 7,883,327.77
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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.