Finding the Fourth Proportional to 10,457,118.81, 14,430,511.62 and 5,810,889.51
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Solution
The fourth proportional to 10,457,118.81, 14,430,511.62 and 5,810,889.51 is: 8,018,853.96
Step by Step Solution
- Step 1: Write the proportion equation
10,457,118.81 : 14,430,511.62 = 5,810,889.51 : x - Step 2: Convert to fraction form
10,457,118.81/14,430,511.62 = 5,810,889.51/x - Step 3: Cross multiply
10,457,118.81x = 14,430,511.62 × 5,810,889.51 - Step 4: Simplify right side
10,457,118.81x = 83,854,108,596,591.09 - Step 5: Solve for x
x = 83,854,108,596,591.09/10,457,118.81 - Step 6: Final answer
x = 8,018,853.96
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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.