Finding the Fourth Proportional to 12,736,862.01, 17,572,253.40 and 7,227,045.99
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Solution
The fourth proportional to 12,736,862.01, 17,572,253.40 and 7,227,045.99 is: 9,970,704.19
Step by Step Solution
- Step 1: Write the proportion equation
12,736,862.01 : 17,572,253.40 = 7,227,045.99 : x - Step 2: Convert to fraction form
12,736,862.01/17,572,253.40 = 7,227,045.99/x - Step 3: Cross multiply
12,736,862.01x = 17,572,253.40 × 7,227,045.99 - Step 4: Simplify right side
12,736,862.01x = 126,995,483,469,733.86 - Step 5: Solve for x
x = 126,995,483,469,733.86/12,736,862.01 - Step 6: Final answer
x = 9,970,704.19
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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.