Finding the Fourth Proportional to 11,403,767.68, 15,737,377.84 and 6,246,788.80
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Solution
The fourth proportional to 11,403,767.68, 15,737,377.84 and 6,246,788.80 is: 8,620,666.29
Step by Step Solution
- Step 1: Write the proportion equation
11,403,767.68 : 15,737,377.84 = 6,246,788.80 : x - Step 2: Convert to fraction form
11,403,767.68/15,737,377.84 = 6,246,788.80/x - Step 3: Cross multiply
11,403,767.68x = 15,737,377.84 × 6,246,788.80 - Step 4: Simplify right side
11,403,767.68x = 98,308,075,632,280.19 - Step 5: Solve for x
x = 98,308,075,632,280.19/11,403,767.68 - Step 6: Final answer
x = 8,620,666.29
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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.