Finding the Fourth Proportional to 9,908,588.79, 14,862,905.91 and 2,720,221.11
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Solution
The fourth proportional to 9,908,588.79, 14,862,905.91 and 2,720,221.11 is: 4,080,337.90
Step by Step Solution
- Step 1: Write the proportion equation
9,908,588.79 : 14,862,905.91 = 2,720,221.11 : x - Step 2: Convert to fraction form
9,908,588.79/14,862,905.91 = 2,720,221.11/x - Step 3: Cross multiply
9,908,588.79x = 14,862,905.91 × 2,720,221.11 - Step 4: Simplify right side
9,908,588.79x = 40,430,390,412,325.76 - Step 5: Solve for x
x = 40,430,390,412,325.76/9,908,588.79 - Step 6: Final answer
x = 4,080,337.90
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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.