Finding the Fourth Proportional to 7,480,239.13, 11,236,307.13 and 7,042,901.41
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Solution
The fourth proportional to 7,480,239.13, 11,236,307.13 and 7,042,901.41 is: 10,579,368.11
Step by Step Solution
- Step 1: Write the proportion equation
7,480,239.13 : 11,236,307.13 = 7,042,901.41 : x - Step 2: Convert to fraction form
7,480,239.13/11,236,307.13 = 7,042,901.41/x - Step 3: Cross multiply
7,480,239.13x = 11,236,307.13 × 7,042,901.41 - Step 4: Simplify right side
7,480,239.13x = 79,136,203,329,070.06 - Step 5: Solve for x
x = 79,136,203,329,070.06/7,480,239.13 - Step 6: Final answer
x = 10,579,368.11
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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.