Finding the Fourth Proportional to 17,908,004.20, 26,862,006.30 and 15,136,637.80
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Solution
The fourth proportional to 17,908,004.20, 26,862,006.30 and 15,136,637.80 is: 22,704,956.70
Step by Step Solution
- Step 1: Write the proportion equation
17,908,004.20 : 26,862,006.30 = 15,136,637.80 : x - Step 2: Convert to fraction form
17,908,004.20/26,862,006.30 = 15,136,637.80/x - Step 3: Cross multiply
17,908,004.20x = 26,862,006.30 × 15,136,637.80 - Step 4: Simplify right side
17,908,004.20x = 406,600,459,944,418.19 - Step 5: Solve for x
x = 406,600,459,944,418.19/17,908,004.20 - Step 6: Final answer
x = 22,704,956.70
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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.