Finding the Fourth Proportional to 11,187,996.90, 15,439,323.67 and 6,226,355.13
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Solution
The fourth proportional to 11,187,996.90, 15,439,323.67 and 6,226,355.13 is: 8,592,307.72
Step by Step Solution
- Step 1: Write the proportion equation
11,187,996.90 : 15,439,323.67 = 6,226,355.13 : x - Step 2: Convert to fraction form
11,187,996.90/15,439,323.67 = 6,226,355.13/x - Step 3: Cross multiply
11,187,996.90x = 15,439,323.67 × 6,226,355.13 - Step 4: Simplify right side
11,187,996.90x = 96,130,712,136,434.92 - Step 5: Solve for x
x = 96,130,712,136,434.92/11,187,996.90 - Step 6: Final answer
x = 8,592,307.72
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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.